Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Dicotyledones

DICOTYLEDONES

KEY TO FAMILIES

Key

1
Plant a parasite or hemiparasite
2
Plant holophytic
7
2
Plant lianoid
Plant not lianoid
3
3
Plant a root-parasite or root-hemiparasite
4
Plant a stem-parasite or stem-hemiparasite
6
4
Plant completely parasitic, lvs scale-like
Plant a hemiparasite, lvs green
5
5
Plant a herb
Plant a shrub or tree
6
Plant completely parasitic, lvs scale-like
Plant a hemiparasite, lvs green
7
Plant a liane
8
Plant not a liane
20
8
Plant bearing prickles
Plant lacking prickles
9
9
Lvs compound
10
Lvs simple
12
10
Lvs alt.
Lvs opp.
11
11
Per. of petaloid free sepals
Per. gamosepalous and gamopetalous
12
Lvs opp.
13
Lvs not opp.
14
13
Plant twining
Plant a root-climber
14
Plant bearing tendrils
15
Plant without tendrils
16
15
Lvs glab.
Lvs scabrid
16
Lvs very fleshy, papillose
Lvs not fleshy, not papillose
17
17
Stipules present
Stipules absent
18
18
Stems twining
Stems not twining
19
19
Lvs coarsely toothed, with scattered hairs
Lvs entire or obscurely toothed, without hairs
20
Plant a shrub or tree
21
Plant a herb
115
21
Lvs absent or minute
22
Lvs well-developed
27
22
Stems fleshy, except woody base
Stems not fleshy
23
23
Plant bearing stout spines
Plant lacking spines or prickles
24
24
Lvs absent
Lvs minute, scale-like
25
25
Lvs densely imbricated
Lvs scattered at distinct intervals
26
26
Stipules absent
Stipules present
27
Lvs compound
28
Lvs simple
34
28
Lvs opp.
29
Lvs alt.
31
29
Lvs stipulate
Lvs exstipulate
30
30
Lvs gland-dotted
Lvs not gland-dotted
31
Lflts distinctly toothed
Lflts entire or obscurely toothed
32
32
Lflts not more than 30 mm. long
Lflts 50 mm. or more long
33
33
Lvs glab
Lvs pubescent below
34
Lvs opp.
35
Lvs alt.
58
35
Lvs stipulate
36
Lvs exstipulate
43
36
Lvs with stinging hairs
Lvs without stinging hairs
37
37
Lvs entire
38
Lvs toothed
41
38
Plant woody at base only
Plant woody throughout
39
39
Plant bearing spines
Plant without spines
40
40
Calyx of 4 sepals, petals 4, stamens 8
Calyx 5-lobed, corolla 5-4-lobed, stamens 5 to 4
41
Lvs minutely serrulate
Lvs distinctly serrate
42
42
Stipules small, subulate
Stipules large, toothed
43
Lvs gland-dotted
Lvs not gland-dotted
44
44
Lvs entire
45
Lvs toothed or lobed
51
45
Branchlets 4-angled
46
Branchlets terete, may be grooved
48
46
Lvs glab
Lvs. pubescent or hairy, at least below
47
47
Lvs narrow-elongate
Lvs broad, rounded
48
Plant of salt-water, with asparagus-like suckers
Plant of dry land, without asparagus-like suckers
49
49
Plant a tree with distinct trunk, or if shrubby then lvs rough
Plant a shrub, or if tree-like, then lvs smooth
50
50
Branchlets easily broken by fingers
Branchlets resistant to breaking by fingers
51
Stems 4-angled
52
Stems not 4-angled
53
52
Lvs serrate or crenate, stems scabrid
Lvs lobed, stems not scabrid
53
Branchlets and lf-surfaces rough
Branchlets and lf-surfaces smooth
54
54
Fls composite
Fls not composite
55
55
Fls with single per.
Fls with calyx and corolla
56
56
Stamens 2
Stamens 4, 6, 10 or ∞
57
57
Corolla gamopetalous, stamens 10
Corolla polypetalous, stamens indefinite
58
Lvs stipulate
59
Lvs exstipulate
71
59
Juice milky
Juice not milky
60
60
Plant bearing prickles
Plant without prickles
61
61
Lvs and/or other parts with stellate hairs
62
Lvs and other parts without stellate hairs
65
62
Stamens 4-5
Stamens ∞
63
63
Stamens united into tube
Stamens free
64
64
Fr. a drupe
Fr. a prickly capsule
65
Branches jointed and swollen at nodes
Branches neither jointed nor swollen at nodes
66
66
Lvs prominently 3-nerved
Lvs not prominently 3-nerved
67
67
Stipules sheathing stem
Stipules not sheathing stem
68
68
Lvs very few, branchlets switch-like
Lvs ∞, branchlets not switch-like
69
69
Stamens 5, fls in umbels
Stamens > 5, fls not in umbels
70
70
Stamens free
Stamens united into a tube
71
Lvs gland-dotted
72
Lvs not gland-dotted
76
72
Lf-buds very viscid
Lf-buds not viscid
73
73
Lvs crenate
Lvs entire or obscurely toothed
74
74
Lvs narrow, acute, not > 15 mm. long
Lvs much longer, or if not, then not narrow
75
75
Lvs glaucous below, or blotched, stamens 6-15
Lvs not glaucous below, stamens 4-5
76
Plant with milky juice
77
Plant with watery juice
80
77
Fr. a capsule
Fr. a drupe or berry
78
78
Fls solitary or two together
Fls in panicles
79
79
Lvs showing domatia below
Lvs without domatia below
80
Plant woody at base only
81
Plant woody throughout
82
81
Plant prostrate or procumbent, fls minute, greenish
Plant erect, fls with large white petals
82
Lvs very few, branchlets switch-like
Lvs ∞, branchlets not switch-like
83
83
Fls composite
Fls not composite
84
84
Bark papery
Bark not papery
85
85
Fls in umbels
86
Fls not in umbels
87
86
Ovary inferior
Ovary superior
87
Fls solitary
88
Fls not solitary
94
88
Corolla polypetalous
89
Corolla gamopetalous
90
89
Petals yellow
Petals dark
90
Ovary inferior
91
Ovary superior
92
91
Lvs glab. or nearly so
Lvs silky-hairy
92
Stamens 10, anthers awned
Stamens 5, anthers not awned
93
93
Anthers one-celled, splitting longitudinally, lvs grasslike, or if not then tough with prominent longitudinal veins
Anthers two-celled, opening by pores, lvs not grasslike, not tough, veins reticulate
94
Fls in fascicles or heads
95
Fls neither in fascicles nor in heads
97
95
Per. with both calyx and corolla
Per. Single
96
96
Fr. crowned by scar of per., large, narrow
Fr. enclosed in base of per., small, globular
97
Ovary inferior
98
Ovary superior
101
98
Per. Single
Per. of calyx and corolla
99
99
Fr. a capsule
Fr. a drupe or berry
100
100
Branchlets and lvs glab. or nearly so
Branchlets and lvs tomentose
101
Fr. very viscid
Fr. not viscid
102
102
Fr. dry, capsular
103
Fr. a drupe or berry
109
103
Capsule bristly
Capsule not bristly
104
104
Seed with scarlet aril
Seed without scarlet aril
105
105
Per. Single
Per. with calyx and corolla
106
106
Corolla gamopetalous
107
Corolla polypetalous
108
107
Stamens 5
Stamens 10
108
Seeds immersed in a viscous fluid
Seeds not immersed in fluid
109
Per. Single
110
Per. of calyx and corolla
111
110
Stamens 4
Stamens 9-12
111
Corolla polypetalous
112
Corolla gamopetalous
113
112
Ripe fr. black, < 12 mm. long
Ripe fr. orange, 25 mm. long or more
113
Stamens 10, anthers awned
Stamens 5, anthers not awned
114
114
Fr. a berry with many seeds
Fr. drupaceous, with not > 5 pyrenes
115
Fls composite
Fls not composite
116
116
Lvs with stalked, sticky glands
Lvs without stalked, sticky glands
117
117
Plant bearing bladders
Plant not bearing bladders
118
118
Lvs opp. or in opp. whorls
119
Lvs radical or alt., or in alt. clusters
144
119
Lvs showing pellucid dots
Lvs without pellucid dots
120
120
Stems and lvs succulent
121
Stems and lvs not succulent
122
121
Fls in spikes, lvs not triquetrous
Fls solitary or paired, lvs triquetrous
122
Lvs stipulate
123
Lvs exstipulate
129
123
Juice milky
Juice watery
124
124
Fr. succulent, or if dry then of 2 ind. cocci
Fr. dry, not of 2 ind. cocci
125
125
Fr. an achene or nut
Fr. a capsule
126
126
Sepals 3, petals if present 3, stamens and styles 3
Sepals etc. not in threes
127
127
Capsules splitting from below upwards into 5 carpels
Capsules dehiscing in a different fashion
128
128
Capsules of 2 valves, opening along the inner margins
Capsules of > 2 valves, dehiscing apically (occ. ind.)
129
Fls without a per.
130
Fls with a per.
131
130
Stamen 1
Stamens 4 or 5
131
Per. single
132
Per. of calyx and corolla
134
132
Fls solitary or paired; stamen 1
Fls clustered, or in compound infls; stamens 2-5
133
133
Fr. with broad corky wings
Fr. without broad corky wings
134
Fr. a drupe
Fr. not a drupe
135
135
Fr. of 3-5 separate carpels
Fr. a capsule or nut
136
136
Fr. a nut or nutlets
137
Fr. a capsule
139
137
Corolla absent or of separate petals
Corolla gamopetalous
138
138
Calyx 5-toothed, 2-lipped
Calyx 4-toothed, regular
139
Calyx of 2 sepals
Calyx of 4-5 sepals, or gamosepalous
140
140
Corolla absent or of 4-5 petals
141
Corolla gamopetalous
142
141
Ovary superior
Ovary inferior
142
Ovary inferior
Ovary superior
143
143
Corolla irregular, stamens 2 or 4, in pairs
Corolla regular, stamens 4 or 5, not paired
144
Lvs stipulate
145
Lvs exstipulate
158
145
Lvs compound
156
Lvs simple
150
146
Lvs pinnate
147
Lvs trifoliate or irregularly compound
148
147
Fr. of achenes, sts cupulate
Fr. an inflated pod
148
Fr. a capsule
Fr. not a capsule
149
149
Fr. of two coherent carpels
Fr. of achenes or follicles
150
Lvs with stinging hairs
Lvs without stinging hairs
151
151
Juice milky
Juice watery
152
152
Stipules sheathing stem
Stipules not sheathing stem
153
153
Petioles fistular
Petioles not fistular
154
154
Lvs succulent, papillose
Lvs not succulent, not papillose
155
155
Fr. a three-valved capsule
Fr. not a three-valved capsule
156
156
Fr. dehiscing into two mericarps
Fr. dehiscing otherwise or ind.
157
157
Stamens ∞, united into tube
Stamens not > 10, free
158
Fr. a pod
Fr. not a pod
159
159
Sepals 2
Sepals absent, or > 2
160
160
Per. absent
161
Per. present
162
161
Fr. an utricle, concealed by persistent bracts
Fr. a berry, not concealed
162
Per. single
163
Per. of calyx and corolla
165
163
Fr. of achenes or follicles
Fr. neither of achenes nor of follicles
164
164
Fls yellowish, white or pink
Fls greenish, inconspicuous
165
Ovary inferior
166
Ovary superior
175
166
Stamens 2
167
Stamens > 2
169
167
Stamens united into a column
Stamens free
168
168
Sepals 5, petals 5, fr. a capsule
Sepals 4, petals 4, 2, or 3, fr. a nut or drupe
169
Calyx 4-lobed, petals 4
170
Calyx 5-lobed, corolla 5-lobed or petals 5
171
170
Fr. an elongated capsule
Fr. a nut or drupe
171
Fr. splitting into 2 mericarps
Fr. not so dehiscing
172
172
Fr. baccate or drupaceous
173
Fr. capsular
174
173
Anthers free
Anthers cohering
174
Placentation free central
Placentation otherwise
175
Lvs all radical
176
Lvs not all radical
177
176
Fr. a circumscissile capsule
Fr. of achenes
177
Sepals free or absent
178
Sepals united
181
178
Fr. of achenes, follicles or cocci
179
Fr. a capsule
180
179
Fr. of 1-2-3 smooth rounded cocci
Fr. of > 5 achenes or follicles
180
Corolla polypetalous
Corolla gamopetalous
181
Fr. a berry
Fr. not a berry
182
182
Fr. of 4 nutlets
Fr. a capsule
183
183
Ovary one-celled, two parietal placentas
Ovary 2-celled, placentas affixed to septum

KEY TO GENERA

Key

1
Plant a parasite or hemiparasite or saprophyte
2
Plant holophytic
11
2
Lvs absent or reduced to scales
3
Lvs well-developed
6
3
Plant a root-parasite with hard woody rhizome
Plant not a root-parasite
4
4
Herb. tufted, small; stems succulent or softly woody
Herb. stems slender, elongate; attached to host by suckers
5
5
Stems tough; fr. globose, size of pea
Stems delicate; fr. a circumscissile capsule
6
Plant a herb with conspicuous white 2-lipped fls
Plant a shrub or tree
7
7
Plant a tree, attached to roots of host
Plant a shrub, attached to stems of host
8
8
Fls small, greenish yellow
9
Fls large, showy, yellow to red
10
9
Per. Single
Per. double
10
Anthers versatile
Anthers basifixed
11
Plant a woody liane
12
Plant not a liane
24
12
Lvs opp
13
Lvs alt.
15
13
Lvs compound
13A
Lvs simple
14
13A
Petioles twining, fls dioec.
Petioles not twining, fls hermaphrodite
14
Lvs gland-dotted, stems rooting
Lvs not gland-dotted, stems twining
15
Lvs or lflts toothed or lobed
16
Lvs or lflts entire
21
16
Lvs and stems prickly
Lvs and stems not prickly
17
17
Lvs merely toothed
18
Lvs deeply lobed
19
18
Lvs pubescent, coarsely toothed
Lvs glab., obscurely toothed
19
Stipules prominent, forming an ocrea
Stipules absent
20
20
Lvs rough with stiff hairs; frs scabrid
Lvs glab.; frs not scabrid
21
Lvs stipulate; tendrils present; fr. a thick-skinned berry 1-1·5 cm. diam.
Lvs exstipulate; tendrils absent; fr. not as above
22
22
Lvs fleshy, papillose; fls small, yellow
Lvs not fleshy, not papillose, fls not yellow, or if yellow then in heads
23
23
Fls small, grouped in heads
Fls white or pink, showy
23A
23A
Lvs simple
Lvs trifoliolate
24
Plant a shrub or tree, or if herbaceous, woody at base
25
Plant completely herbaceous
176
25
Lvs absent or reduced to scales
26
Lvs present, not reduced to scales
30
26
Fls minute, per. single, fr. a black nut on thickened red peduncle
Fls showy, papilionaceous, fr. a pod
27
27
Pods linear, jointed, 1-3 cm. long
Pods oblong to orbicular, not jointed, not more than 1 cm. long
28
28
Final stems very short, deeply grooved
Final stems slender, finely grooved
29
29
Pod ind., branchlets pend., seeds 1 or 2
Pod dehiscent, seeds several, or if ind. or if seeds 1 or 2, then branchlets not pend
30
Lvs compound
31
Lvs simple
46
31
Lvs opp., or in opp. fascicles, or whorled
32
Lvs alternate or in alternate fascicles
36
32
Branchlets 4-angled
Branchlets terete
33
33
Lvs gland-dotted
Lvs not gland-dotted
34
34
Corolla gamopetalous, 2-lipped; fr. a drupe
Corolla of separate petals, regular; fr. a capsule
35
35
Fls in large panicles
Fls in racemes
36
Lvs gland-dotted
Lvs not gland-dotted
37
37
Fls papilionaceous
38
Fls not papilionaceous
41
38
Lvs pinnate with ∞ pinnae
39
Lvs 3-5-foliolate or absent
40
39
Fls yellow
Fls white, pink or red
40
Branches stout, deeply grooved
Branches slender, striate or grooved
41
Seeds black, shiny, embedded in scarlet aril
Seeds not as above
42
42
Fls in composite head, surrounded by phyllaries
Fls not in composite heads
43
43
Fls waxy white, in panicles, cauliflorous
Fls not waxy white, not cauliflorous, umbellate
44
44
Umbels racemosely arranged on branches
Umbels not racemosely arranged
45
45
Styles distinct, recurved
Styles connate into cone
46
Lvs opp.
47
Lvs alt.
90
47
Branchlets distinctly 4-angled
48
Branchlets terete
51
48
Fls in composite heads, with phyllaries
Fls not in composite heads
49
49
Stamens 4 or 8
49A
Stamens > 8
50
49A
Lvs entire, fls 5-merous
Lvs toothed, fls 4-merous
50
Stamens 10, ovary superior, surrounded by greatly enlarged and succulent petals in fr.
Stamens ∞, in many series; ovary inferior, crowned by persistent calyx-lobes in fr.
51
Plant bearing rigid spines
Plant without spines
52
52
Plant with stinging hairs
Plant without stinging hairs
53
53
Lvs gland-dotted
54
Lvs not gland-dotted
58
54
Stamens not > 8
55
Stamens ∞
56
55
Per. of 4 sepals and 4 petals
Per. single, 4-6-lobed
56
Fls solitary
56A
Fls in compound infl.
57
56A
Sepals and petals 4, ovules in 1 series
Sepals and petals 5, ovules in 2 series
57
Fr. a capsule
Fr. a red berry
58
Plant woody towards base only
59
Plant woody throughout
66
59
Fr. a small crimson berry
Fr. dry, capsular or nutlike
60
60
Fr. of 4 nutlets; calyx 2-lipped
Fr. not of 4 nutlets; calyx regular
61
61
Fr. elongate, seed with tuft of hairs
Fr. short, seed without hairs
62
62
Capsule splitting into three 2-valved cocci
Fr. not so splitting
63
63
Corolla of 4 free petals or absent
Corolla gamopetalous
64
64
Corolla with 4-5 subequal spreading lobes, stamens 2
Corolla 2-lipped
65
65
Upper lip 2-lobed, lower lip 3-lobed; stamens 4
Both lips entire, stamens 2
66
Lvs stipulate
67
Lvs exstipulate
72
67
Stipules interpetiolar, forming a line or sheath
68
Stipules not as above
71
68
Fr. a berry
Fr. a capsule
69
69
Plant a tree with coarsely toothed lvs
Plant a shrub with entire lvs
70
70
Plant a depressed shrub with lvs < 1 cm. long
Plant an erect shrub with lvs 4-8 cm. long
71
Branchlets jointed at nodes; fls lacking per.; fr. a drupe
Branchlets not jointed at nodes; fls with calyx and corolla; fr. a capsule
72
Fr. of 5-10 cocci, enclosed in enlarged succulent petals; petals much < sepals in fl.
Fr. and petals not as above
73
73
Lvs toothed or lobed
74
Lvs entire
82
74
Fr. a berry or drupe
75
Fr. a capsule or nut
76
75
Per. single; fr. a drupe
Per. of calyx and corolla; fr. a berry
76
Ovary inferior
Ovary superior
77
77
Per. single; fr. of achenes with plumose styles
Per. of calyx and corolla; fr. a capsule
78
78
Corolla of 5 free petals; capsule 5-celled
Corolla gamopetalous; capsule 2-celled
79
79
Stamens 10
Stamens not > 4
80
80
Stamens 4, fls yellowish or red
Stamens 2, fls white, bluish or purplish
81
81
Septum across narrowest diam. of capsule
Septum across widest diam. of capsule
82
Per. single
83
Per. of calyx and corolla
87
83
Fr. a utricle enclosed in viscid perianth
Fr. a drupe (which may have a dry exocarp and appear nutlike) or an aggregate of drupes
84
84
Stamens ∞, fr. an aggregate of drupes
Stamens not > 6, fr. a single drupe
85
85
Drupe small, dry or fleshy, enclosed in base of per.; plant a shrub
Drupe 8 mm. diam. or more; plant a tree
86
86
Per. segs with tuft of hairs at base; stigma 3-4-lobed
Per. segs without tuft of hairs at base; stigma 2-lobed
87
Stamens ∞; fr. a small red berry
Stamens not > 8, fr. a capsule or nut
88
88
Stamens 4, capsule 2.5 cm. diam., seed solitary
Stamens 2, capsule smaller, seeds ∞
89
89
Septum across narrowest diam. of capsule
Septum across widest diam. of capsule
90
Fls papilionaceous, lvs few
91
Fls not papilionaceous, lvs ∞
94
91
Pod linear, with jointed segs
Pod short, relatively broad, not jointed
92
92
Branchlets stout, rigid, deeply grooved
Branchlets slender, finely grooved
93
93
Pod dehiscent, or if ind. then small
Pod ind., 5mm. long, seed solitary
94
Plant woody at base only
95
Plant woody throughout
111
95
Fls composite, subtended by phyllaries
96
Fls not composite
102
96
Outer florets white, ligulate, forming a distinct ray
97
Outer florets tubular, without conspicuous ray
98
97
Lvs densely arranged, achenes much flattened
Lvs scattered, achenes not or little flattened
98
Plant forming dense cushions or low mats
99
Plant not forming dense cushions or mats
101
99
Heads solitary
100
Heads corymbosely arranged or clustered
100
Anther cells produced at base into filiform tails
Anther cells not so produced
101
Lvs greyish, heads corymbosely arranged; bracts white-tipped and papery
Lvs silvery, heads densely congested; bracts white and densely woolly
102
Capsule elongate, seeds with tuft of hairs
Capsule not elongate, seeds without tuft of hairs
103
103
Lvs stipulate
104
Lvs exstipulate
105
104
Fls large, over 5 cm. diam., pale yellow with chocolate brown centre
Fls minute, inconspicuous, colourless
105
Fls large, conspicuous, white
106
Fls minute, inconspicuous
107
106
Lvs entire, glab.
Lvs toothed, hairy
107
Fr. a small red berry
Fr. capsular or nutlike or a utricle
108
108
Fls with 4-lobed calyx and 4 free petals
Fls with per. single or 0
109
109
Per. fleshy in fruiting stage
Per. dry or 0
110
110
Fls unisexual, fr. enveloped by 2 large triangular bracts
Fls perfect, fr. not enveloped by bracts
110A
Lvs with watery papillae; utricle transverse to bracts
Lvs glab. or with soft hairs; utricle || bracts
111
Lvs stipulate
112
Lvs exstipulate
128
112
Branchlets jointed and swollen at nodes, lvs ovate-cordate, plant perfectly glab. shrub with fleshy catkins
Plant not with all characters as above in combination
113
113
Fls in simple or compound umbels
114
Fls not in umbels
116
114
Stamens ∞, fr. a globose echinate capsule; plant clothed in soft stellate tomentum
Stamens 5, fr. glab., plant glab
115
115
Styles connate into cone
Styles distinct
116
Juice milky
117
Juice not milky
118
117
Lvs coriac., ± oblong, length > breadth
Lvs membr., ± triangular, length = breadth
118
Per. single
119
Per. of calyx and corolla
121
119
Fr. a capsule splitting into 3 cocci; tomentum includes stellate hairs
Fr. a nut or achene; no stellate hairs
119A
Lvs 8-10 cm. long, hoary-pubescent below; nut terete
Lvs not > 5 cm. long, not hoary-pubescent; nut trigonous
120
120
Stipules persistent, forming an ocrea; nut enclosed in the succulent per. in fr.
Stipules fugaceous; nut enclosed in the hardened involucre in fr.
121
Lvs 20 cm. long or more, broadly oblong, thick and coriac., glossy above
Lvs much smaller, not at all as above
122
122
Lvs glab.
123
Lvs and branchlets clothed in stellate hairs
125
123
Fr. dry, of 5 carpels; stamens ∞
Fr. a berry; stamens 5
124
124
Anthers free
Anthers connate into tube
125
Stamens free
126
Stamens united into column
127
126
Stamens ∞, fr. echinate
Stamens 5, fr. not echinate
127
Fls white, showy
Fls greenish, small
128
Fls composite, surrounded by phyllaries
129
Fls not composite
135
129
Phyllaries densely imbricated in many series
Phyllaries in 1 or few series
130
130
Anther cells with filiform tails
131
Anther cells without filiform tails
132
131
Receptacle naked
Receptacle with white-tipped scales
132
Style branches flattened, produced into a triangular appendage
Style branches truncate
133
133
Lvs evenly serrate, glab., glutinous when young; phyllaries in one series, rigid, glandular-pubescent; bark papery
Plant not with all characters as above in combination
134
134
Capitula in large scented panicles; phyllaries in one series, scarious, ray florets with ligules very short, sts 2-lipped
Capitula not in panicles, scentless; phyllaries not as above; female florets tubular or absent or with long ligules
135
Lvs gland-dotted
136
Lvs not gland-dotted
140
136
Stamens ∞, fr. 5-celled, woody
Stamens not > 15, fr. not as above
137
137
Lf buds dark, viscid; lvs serrulate
Lf buds not viscid; lvs entire or crenate
138
138
Fls in corymbs, fragrant; fr. dehiscent, lvs obscurely crenate
Fls, frs and lvs otherwise
139
139
Calyx saucer-shaped with rim entire or irregularly shallowly lobed; lvs glaucous below
Calyx deeply 4- to 5-lobed, lvs not glaucous
139A
Corolla > calyx, petals united at base only
Corolla < calyx, wholly or almost wholly tubular
140
Seeds immersed in viscid fluid; fr. a woody valvate capsule
Seeds not immersed in viscid fluid; fr. as above or otherwise
141
141
Domatia present in the lvs; filaments folded in bud
Domatia absent; filaments not folded in the bud
142
142
Fr. a capsule or nut
143
Fr. a berry or drupe
155
143
Per. single
144
Per. of calyx and corolla
148
144
Fr. broadly winged
Fr. not broadly winged
145
145
Fr. a woody pubescent follicle, splitting into 2 valves 4-5 cm. long; fls red in short broad spikes
Fr. otherwise; fls otherwise
146
146
Plant a soft-wooded shrub; fr. enclosed in 2 triangular bracts
Plant a tree; fr. enclosed in persistent per. or involucre
147
147
Lvs entire; fruiting per. viscid, not woody
Lvs crenate or serrate; fruiting involucre woody
148
Corolla of 5 free petals
149
Corolla gamopetalous
152
149
Ovary superior
150
Ovary inferior
151
150
Fls 2-4 cm. across, white; lvs toothed with teeth tipped with glands
Fls 1 cm. diam. or less, red or creamy; lvs not so
151
Fls in panicles, white; capsule ind., pealike
Fls in racemes, pale lilac; capsule dehiscent
152
Anthers 2-celled, dehiscing by pores, stamens 10
Anthers 1-celled, dehiscing longitudinally, stamens 5
153
153
Lvs with sheathing bases
Lvs petiolate, not sheathing
154
154
Bracts few, fls in racemes
Bracts ∞, fls solitary
155
Per. single
156
Per. of calyx and corolla
163
156
Fls in heads or clusters
157
Fls in racemes, panicles or cymes
158
157
Stamens 2, per. without scales
Stamens 4, per. with scales
158
Stamens 9 or 12
159
Stamens not > 6
160
159
Fls in umbellate racemes, dioec.
Fls panicled, hermaphrodite
160
Stamens 2, fls densely placed
Stamens 4 or more, fls not densely clustered
161
161
Lvs not very thick and coriac.; frs crowned by annular scar
Lvs very thick and coriac., frs not crowned by annular scar
162
162
Lvs narrow, linear-lanceolate
Lvs broadly ovate to oblong
163
Corolla gamopetalous
164
Corolla polypetalous
171
164
Lvs serrate-dentate, corolla split to base at back
Lvs entire or with few blunt teeth, corolla not split
165
165
Anthers connivent into cone
Anthers not connivent
166
166
Plant a tree; fr. a drupe 2.5 cm. long; juice of branchlets milky
Plant a shrub, fr. not > 12 mm. long; juice not milky
167
167
Lvs not heath-like, fls large, crimson to yellow
Lvs heath-like, fls small, white or greenish
168
168
Stamens 10, anthers opening by pores
Stamens 5, anthers opening by longitudinal slits
169
169
Fruit with up to 10 separate pyrenes
Fruit with single hard endocarp
170
Bracts ∞
171
Lvs membr., deciduous; bark papery
Lvs coriac., persistent, bark not papery
172
172
Fls yellow, petals with scale at base; lvs silvery white below
Fls not yellow; petals without scale at base; lvs glab.
173
173
Fls white, showy, in racemes
Fls green or greenish white, not showy, in panicles
174
174
Drupe 2 cm. or more long, green ripening to orange, fls hermaphrodite
Drupe not > 1 cm. long, dark, fls dioec.
175
175
Lvs shallowly lobed; anthers long, versatile; filaments folded in bud
Lvs entire, anthers not versatile; filaments short
176
Fls composite
177
Fls not composite, though may be compacted into heads
202
177
All florets ligulate, yellow, plant with cop. milky juice
178
All florets tubular, or with marginal ray; plant without or with little milky juice
182
178
Plant with lfy branches bearing fls
179
Plant with radical lvs, fls on unbranched lfless scapes
180
179
Pappus hairs plumose
Pappus hairs simple
180
Pappus hairs serrulate or plumose, widened into flat scales below or not
Pappus hairs simple, capillary
181
181
Achene with pappus raised on slender filiform beak
Achene without beak
182
Pappus absent or of minute scales or bristles or of rigid barbed awns
183
Pappus of slender hairs
190
183
Achenes with a pappus of 2-4 rigid barbed awns
Achenes with pappus absent or of minute bristles or scales
184
184
Lvs opp., plant erect
Lvs rosulate or alternate, plant low-growing
185
185
Heads sessile or subsessile, axillary
Heads peduncled, or if subsessile then lvs entire
186
186
Lvs rosetted, ray florets conspicuous
187
Lvs not rosetted, ray florets inconspicuous
188
187
Achene not beaked
Achene beaked
188
Lvs linear, or ovate, entire
189
Lvs spathulate, oblong or lanceolate; crenate or variously pinnatifid or pinnatisect
189
Heads bisexual; phyllaries linear, green
Heads unisexual; phyllaries broad with purplish margins
190
Disc florets purple; lvs very large, all radical
Disc florets not purple, or if purple then lvs not as above
191
191
Ray florets conspicuous, white or yellow
192
Ray florets not conspicuous (inner phyllaries may be)
194
192
Plant erect, much branched; lvs small and scattered
Plant creeping or prostrate or rosetted, or if erect then sparingly branched
193
193
Rays white, fls solitary
Rays yellow, or if white then fls in corymbs
194
Plant erect or spreading
195
Plant creeping or prostrate
197
195
Stems fistulate
Stems not fistulate
196
196
Fl heads surrounded by white-tipped phyllaries
Fl heads not surrounded by white-tipped phyllaries
197
Lvs mainly in radical rosettes
Lvs mainly cauline, or if radical then not rosetted
198
198
Lvs densely clothed in woolly tangled or spreading hairs
Lvs otherwise clothed or glab.
199
199
Lvs completely clothed in appressed silvery tomentum; capitula in dense glomerules surrounded by white, felt-like, conspicuous floral lvs; pappus hairs flattened
Lvs, capitula and floral lvs not as above in combination; pappus hairs not flattened
200
200
Heads sessile or subsessile, plant forming mats
Heads peduncled
201
201
Female florets more ∞ than hermaphrodite
Female florets few, hermaphrodite ∞
202
Plant bearing bladders, aquatic
Plant not bearing bladders
203
203
Plant bearing stinging hairs
Plant lacking stinging hairs
204
204
Lvs prickly or spiny-tipped or acicular-tipped
205
Lvs neither prickly nor spiny-tipped, may be hair-tipped
207
205
Lvs prickly on margins
Lvs rigid, spiny-tipped
205A
Lvs simple, us. < 2 cm. long
Lvs divided into segs, us. > 2 cm. long
206
206
Margins of lf-sheath connate above in front of petiole
Margins of lf-sheath not even approaching above, often extended above into stipule-like segs
207
Lvs bearing ∞ stalked viscid glands
Lvs not as above
208
208
Plant with rosette of radical lvs, fls on scapes or hidden among lf-bases; calyx, corolla and stamens 4-merous, capsule circum- scissile
Plant not with all the above characters in combination
209
209
Juice milky, fls in cyathium tipped with crescent-shaped glands; lvs entire, simple
Plant not with all the above characters in combination
210
210
Fls without per.
211
Fls with single or double per.
213
211
Stems and lvs not succulent, fls solitary
Stems and lvs succulent, fls in spikes
212
212
Plant erect, lvs alt. or whorled, perfectly entire
Plant creeping, lvs rosulate, ± toothed
213
Fls sessile, compacted into globose or hemispherical many-flowered heads which may be peduncled or sessile
214
Fls not so arranged
216
214
Lvs compound, heads us. spinous in fr.
Lvs simple, heads never spinous in fr.
215
215
Lvs orbicular-reniform, petiolate, up to 3 cm. diam., fls in small compact umbels
Lvs oblanceolate, sessile and auriculate at base, much larger; fls in hemispherical receptacles
216
Fls in umbels
217
Fls not in umbels
234
217
Umbels simple
218
Umbels compound
226
218
Lvs stipulate
219
Lvs not stipulate
221
219
Plant with long-beaked fr.
Plant with fr. not long-beaked
220
220
Involucre absent, carpels without secondary ribs
Involucre present, carpels with secondary ribs
221
Stems densely compacted, plant a cushion
Stems not densely compacted, plant not a cushion
222
222
Lvs quite entire, linear or oblong
223
Lvs toothed, lobed or compound, or if entire then not linear or oblong
224
223
Lvs transversely septate
Lvs not transversely septate
224
Lvs much dissected
Lvs not much dissected
225
225
Carpels flat, suborbicular, calyx teeth minute
Carpels not flat, calyx teeth prominent
226
Fr. globose and fleshy; lvs very large, fleshy, orbicular- reniform
Fr. dry, of paired carpels; lvs not as above
227
226A
Ovary 3-4-celled, fr. hollowed at apex
Ovary 2-celled, fr. not hollowed at apex
227
Carpels bearing hooked bristles
Carpels bearing smooth wings or ribs
228
228
Carpels broadly oblong, 1·5 cm. long, with 2 or 3 broad wings
Carpels narrow, much smaller, with 3-5 narrow wings or ribs
229
229
Stems prostrate or decumbent, lvs cauline, umbels lf-opposed or terminal
Stems absent, lvs all radical, umbels on scapes
230
230
Lvs orbicular-reniform, small, entire or lobed or palmately divided
Lvs not as above, pinnate or decompound or if simple then rigid and linear
231
231
Carpels with 2 lateral wings broader than the dorsal; lvs not acicular- or hair-tipped
Carpels with wings or ribs subequal; lvs acicular- or hair-tipped
232
232
Lf sheath extended above into spinous stipule-like segs
Lf sheath not so extended
233
233
Margins of lf-sheath connate above in front of petiole
Margins of lf-sheath not even approaching each other
234
Fls papilionaceous, purplish, lvs pinnate
Fls not papilionaceous
235
235
Per. single
236
Per. of calyx and corolla
255
236
Lvs fleshy
237
Lvs not fleshy
242
237
Lvs much reduced, connate around succulent stems which appear jointed
Lvs not as above
238
238
Fr. inferior, fls yellow
Fr. superior, fls greenish
239
239
Fr. enclosed in 2 triangular bracts
240
Fr. not so enclosed
241
240
Lvs with watery papillae; utricle transverse to bracts
Lvs glab. or with soft hairs; utricle || bracts
241
Per. fleshy in fruiting stage
Per. dry in fruiting stage
242
Fr. enclosed by 2 triangular bracts
Fr. not so enclosed
243
243
Fls large, yellow, pink or white
244
Fls inconspicuous, greenish
245
244
Fls pink, on tall scapes
Fls yellow or white, on short stalks
245
Fr. a small crimson berry
Fr. a capsule, nut or utricle
246
246
Stamen solitary
247
Stamens 2 or more
248
247
Plant a cushion, lvs narrow, not crenate
Plant creeping, lvs broad, crenate
248
Lvs stipulate
249
Lvs exstipulate
251
249
Stipules free; fr. a capsule splitting into 3 2-valved cocci
Stipules fused, forming a scarious sheath around the stem; fr. a nut enclosed in the persistent per.
250
250
Per. of 6 segs, the 3 inner enlarged to enclose the nut
Per. 5-partite, segs equal or the outer ones larger
251
Lvs radical, receptacle elongate and spike-like in fr.
Lvs and receptacle not as above in combination
252
252
Lvs densely tufted; fr. a valvate capsule with free-basal placenta bearing many seeds
Lvs and fr. not as above
253
253
Lvs opp.; per. white; fr. broadly winged
Lvs alt.; per. greenish; fr. not winged
254
254
Lvs very thin, with 3 prominent nerves from base, pubescence slight or absent
Lvs not very thin, nerves us. obscure, pubescence us. marked, mealy
255
Sepals 4, free, petals 4, free, fr. a 2-celled pod
256
Sepals, petals and fr. otherwise
262
256
Pods much longer than broad
257
Pods about as broad as long
260
257
Seeds in one row
258
Seeds in 2 rows
259
258
Pod compressed, cots accumbent
Pod terete or angled, cots incumbent
259
Rootstock stout, lvs mainly radical
Rootstock slender, lvs mainly cauline
260
Pods broadly winged
Pods not or very narrowly winged
261
261
Petals short or absent, seeds one per cell
Petals twice as long as sepals, seeds several
262
Stamens ∞
263
Stamens not > 10
268
263
Gyn. of ∞ free achenes
264
Gyn. of 3-8 fused carpels
266
264
Calyx of free sepals, petals with one or more nectary scales
Calyx 5-lobed, petals without nectary scales
265
265
Achenes with short style, lvs evenly pinnate
Achenes with long style, bent near tip; lvs lyrate-pinnate
266
Ovary inferior; lvs triangular in section, very thick and succulent
Ovary superior; lvs not as above
267
267
Fls very large, pale yellow with purplish brown centre
Fls small, bright yellow
268
Stems and lvs densely compacted, plant a cushion
269
Stems and lvs not forming a cushion
275
269
Lvs glab.
270
Lvs hairy, at least towards base
272
270
Sepals 2, petals 5 connate at base, stamens 5
Calyx and corolla 4-lobed, or 4
271
271
Lvs exstipulate, fr. of 4 nutlets
Lvs connected by stipular line, fr. a 2-valved capsule
272
Cushions hard, fr.ind.
273
Cushions soft, fr. dehiscent
274
273
Corolla of 5 free petals, seeds few, stamens free, styles 2, stout, recurved
Corolla 4-9-lobed, seeds ∞, stamens and style united to form a column
274
Fr. a capsule, stamens 2
Fr. of 4 nutlets, stamens 5
275
Stamen filaments and style united to form a column
276
Stamen filaments and styles not so united
277
276
Lvs not tufted, fls on long peduncles, capsule thin-walled
Lvs tufted, fls subsessile, capsule almost woody when mature
277
Lvs stipulate
278
Lvs exstipulate
288
278
Lvs alt. or tufted or radical
279
Lvs opp. or whorled
282
279
Lvs trifoliolate
Lvs not trifoliolate
280
280
Capsule 5-celled, dehiscing by 5 carpels splitting from base upwards
Capsule 3-celled, dehiscing by valves
281
281
Fls conspicuous, 2-lipped, white streaked with purple
Fls minute, greenish-white
282
Stipules equalling lvs, forming whorls of 4
283
Stipules minute, or at least not looking like lvs
284
283
Corolla rotate; frs peduncled, lf whorls distant
Corolla campanulate; frs sessile, lf whorls crowded
284
Stamens 10, seeds winged
Stamens not > 5, seeds not winged
285
285
Fr. a small drupe with 2 pyrenes
Fr. a dry capsule
286
286
Corolla gamopetalous, stipules an interpetiolar line
Corolla polypetalous, stipules not as above
287
287
Plant delicate, anthers dehiscing by slits, fls sessile
Plant hardened at base, anthers dehiscing by pores, fls peduncled
288
Lvs opp. or in whorls
289
Lvs alt. or tufted or radical
313
289
Corolla enlarged and succulent in fr., much < calyx in fl.
Corolla not as above
290
290
Lvs in whorls of 4, simple
291
Lvs not whorled or if whorled then pinnately divided
292
291
Corolla rotate; frs peduncled, lf whorls distant
Corolla campanulate; frs sessile, lf whorls crowded
292
Lvs with broad membr. sheathing base, fr. fleshy
Lvs without broad membr. base, fr. not fleshy
293
293
Fr. elongated, seeds with tufts of hairs
Fr. not elongated, seeds without tufts of hairs
294
294
Fr. inferior
295
Fr. superior
297
295
Fr. a capsule, stamens 5, seeds ∞
Fr. a nut or 4 nutlets, stamens 2, 4 or 8, seeds few
296
296
Fr. separating into 4 nutlets
Fr. not separating into nutlets
297
Corolla polypetalous
298
Corolla gamopetalous
299
298
Fr. of 4 separate follicles, petals and sepals 4
Fr. a 4-6-valved, 1-celled capsule; petals and sepals 5 or more
299
Fr. of 4 nutlets
300
Fr. a capsule
302
300
Calyx 2-lipped, lips entire
Calyx with 4 or 5 equal teeth
301
301
Lvs pubescent, gland-dotted; plant diffuse
Lvs glab. or nearly so, plant a dense mat
302
Stamens 2, staminodes 2
Stamens 2, 4 or 5, no staminodes
303
303
Stamens 2
304
Stamens 4 or 5
305
304
Plant forming small dense cushions
Plant not forming small dense cushions
305
Corolla distinctly 2-lipped
306
Corolla lobes about equal
309
306
Stigma capitate or clavate; calyx 4-lobed
307
Stigma of 2 flat lamellae; calyx 5-lobed or -angled
308
307
Corolla tube short; ovules > 1 per locule; anthers cohering
Corolla tube very long and slender; ovules 1 per locule; anthers free, erect
308
Calyx 5-angled, minutely 5-toothed
Calyx not angled, 5-lobed
309
Fls minute, greenish
310
Fls conspicuous, white or coloured
311
310
Stigma clavate
Stigma spathulate
311
Fls < one cm. long, with narrow tube longer than lobes, pale yellow
Fls larger, tube = or < lobes or corolla campanulate; not pale yellow
312
312
Style filiform, lvs crenate or if entire then plant creeping; corolla oblique
Style short or absent, lvs entire, glab.; corolla regular
313
Lvs 3-foliolate
Lvs not 3-foliolate
314
314
Fr. of 4 nutlets
315
Fr. not of 4 nutlets
316
315
Lvs very large, ovate-cordate, fleshy, glab.
Lvs small, not cordate, densely hairy
316
Fr. fleshy
317
Fr. dry
321
317
Fls in spikes, plant creeping
Fls not in spikes
318
318
Ovules 2, calyx cupular
Ovules ∞, calyx 5-partite
319
319
Fls in racemes, corolla 3-5 cm. long; plant erect
Fls solitary or paired, corolla much smaller; plant creeping or decumbent
320
320
Lvs toothed, thin, stigma 2-lobed
Lvs entire, fleshy, stigma with cup-shaped indusium
321
Sepals 2
322
Sepals more than 2, or calyx 2-lipped
323
322
Capsule with many seeds, fls white
Capsule with 1-3 seeds, fls greenish
323
Capsule elongated, seeds with tufts of hairs
Capsule not elongated, seeds without tufts of hairs
324
324
Anthers cohering
325
Anthers free
326
325
Corolla split to base at back
Corolla entire or nearly so
326
Stamens 4 or 8
327
Stamens 5
328
327
Fr. angled, fls inconspicuous, petals 4 or 0
Fr. not angled, fls conspicuous, corolla 2-lipped
328
Calyx of 5 free sepals
329
Calyx gamosepalous
332
329
Fls in corymbs, plant erect or bushy
Fls solitary, plant creeping
330
330
Corolla inconspicuous, rotate; styles 2
Corolla conspicuous, plaited; style 1
331
331
Bracts large, enclosing calyx
Bracts small or absent
332
Fls minute, yellow or purplish; fr. of 1 or 2 one-seeded cocci
Fls larger, white or blue; fr. with ∞ seeds
333
333
Fr. inferior, placentation axile; stamens adhering around style, free from petals
Fr. half inferior, placentation free-basal, stamens opp. petals and inserted on them
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