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Volume IV (1988) - Flora of New Zealand Naturalised Pteridophytes, Gymnosperms, Dicotyledons
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Faboideae

FABOIDEAE

This key is based largely on those spp. found wild in N.Z.

Key

1
Annual or perennial leafy herbs or climbers, rarely slightly woody at base
2
Perennial woody erect shrubs, trees or woody climbers (sometimes reduced, and appearing as herbs but then leafless - Carmichaelia)
27
2
Lvs simple or reduced to a tendril and stipules, or pinnately or palmately 3-foliolate, or palmately 5- or more foliolate
3
At least some lvs paripinnate or imparipinnate with 2, 4 or more leaflets
14
3
Lvs 3-foliolate
4
Lvs simple, or reduced to a tendril and stipules, or 1-foliolate or palmately 5- or more foliolate
12
4
Petiolules ± equal, very short or leaflets subsessile
5
Terminal petiolule much > lateral petiolules; lateral leaflets subsessile or petiolulate
6
5
Stipules at least partly adnate to petiole; corolla white, pink, red, purple, crimson or yellow, < 18 mm long, usually persistent
TRIFOLIUM
Stipules free from petiole; corolla deep blue, or rarely white, 18-22 mm long, deciduous after flowering
PAROCHETUS
6
Lvs exstipellate; leaflets serrate (at least finely near apex), narrow-elliptic to obovate, < 40 mm long
7
Lvs stipellate; leaflets entire, usually broad and deltate, ovate, elliptic or orbicular, (20)-30-100-(120) mm long
9
7
Pod falcate or spirally coiled, 1-many-seeded
MEDICAGO
Pod straight, 1-2-seeded
8
8
Leaflets shortly mucronate; corolla deciduous after flowering; racemes long and lax at least at fruiting
MELILOTUS
Leaflets obtuse or emarginate, rarely mucronate; corolla persistent after flowering; racemes always short and dense
TRIFOLIUM
9
Leaflets broadly deltoid to ovate
10
Leaflets ovate-elliptic, elliptic or suborbicular
11
10
Pod 40-300 mm long; keel petal spirally twisted
PHASEOLUS
Pod (25)-30-40-(45) mm long; keel curved through 90° but not twisted
DIPOGON
11
Leaflets ovate-elliptic or elliptic; corolla dark red
KENNEDIA
Leaflets suborbicular; corolla pink (K.)
CANAVALIA†
12
Lvs palmately 5- or more foliolate
LUPINUS
Lvs simple or reduced to a tendril and stipules
13
13
Lvs consisting of only a grass-like phyllode or reduced to a tendril and stipules
LATHYRUS
Lvs elliptic to ovate
SCORPIURUS
14
Lvs with a terminal tendril or mucro
15
Lvs with a terminal leaflet
20
15
Stem winged at least in the upper part
LATHYRUS
Stem sometimes angled but not winged
16
16
Calyx teeth equal and 2-6× as long as tube
LENSζ
Calyx teeth equal or unequal, < 2× as long as tube
17
17
Stipules usually larger than leaflets
PISUM
Stipules much smaller than leaflets
18
18
Lvs with 4-10 pairs of leaflets
VICIA
Lvs with 1-3 pairs of leaflets
19
19
Tendrils reduced or 0; fls in short-pedunculate infls or ± sessile in lf axils
VICIA
Tendrils evident; fls in long-pedunculate racemes
LATHYRUS
20
Infl. capitate or umbellate, or reduced to 1-2 fls
21
Infl. racemose
24
21
All lvs 5-foliolate
LOTUS
Leaflet number variable among lvs, the lvs few- to many-foliolate, or rarely reduced to a single leaflet
22
22
Terminal leaflet often much > lateral leaflets or lf reduced to a single leaflet and this 12-50 mm long; calyx densely hairy and gibbous at flowering; pod 1-seeded
ANTHYLLISζ
Terminal leaflet = or < lateral leaflets; lvs with 3- many pairs of leaflets and these 1-20 mm long; calyx glabrous or sparsely to moderately hairy, not inflated at flowering; pod few- to many-seeded, lomentaceous
23
23
Fls 3-10 mm long, sessile or subsessile, 1-6 per head; pod subterete or compressed, finely veined
ORNITHOPUS
Fls (6)-8-15 mm long, pedicellate, (5)-10-20 per umbel; pod 4-angled and smooth
CORONILLA
24
Leaflets 2-4-(7) mm long; racemes 3-6-(8)-flowered
SWAINSONA†
Leaflets 10-50 mm long; racemes with numerous fls
25
25
Corolla crimson; pod lomentaceous, spinous
HEDYSARUM
Corolla white, pale pink, blue or purple, or pink with purple veins; pod not lomentaceous, with veins but not spines
26
26
Calyx teeth ± = tube; pod dehiscent, 2-8-seeded
GALEGA
Calyx teeth 2-3× as long as tube; pod indehiscent, 1-seeded
ONOBRYCHISζ
27
Plant with spines or prickles
28
Plant not armed
32
28
Spines branched; twigs appearing densely spinous; lvs on juveniles only
ULEX
Spines or prickles simple, scattered on twigs; lvs few to many on mature plants
29
29
Lvs pinnate, with > 4 pairs of leaflets
ROBINIA
Lvs palmately or pinnately 3-foliolate
30
30
Trees; lvs 70-200 mm long; corolla 50-60 mm long
ERYTHRINA
Shrubs; lvs < 30 mm long; corolla 10-15 mm long
31
31
Petiolules very unequal; leaflets serrate, 5-30 mm long; corolla pink or purple
ONONIS
Petiolules ± equal; leaflets entire, 4-10-(12) mm long; corolla yellow
CALICOTOME
32
At least some lvs paripinnate or imparipinnate with 2 or more pairs of leaflets
33
Lvs 0, or 1-3-foliolate, or palmately 5- or more foliolate
40
33
Corolla 18-80 mm long, if 18-28 mm long then fls solitary or 2-3 together
34
Corolla 6-28 mm long, if 18-28 mm long then fls many in racemes
36
34
Corolla usually scarlet, rarely white or pink, 50-80 mm long; pod not constricted between seeds
CLIANTHUS†
Corolla orange, yellow or brownish yellow, 18-45 mm long; pod constricted between seeds
35
35
Leaflet apex acute to obtuse; pod constricted between seeds
SOPHORA†
Leaflet apex emarginate; pod not constricted between seeds
CARMICHAELIA†
36
Woody climber up to 10 m long
WISTERIA
Shrubs, or small to large trees up to 25 m high
37
37
Leaflets clothed in fine medifixed hairs at least on underside
INDIGOFERAζ
Leaflets glabrous or clothed in simple hairs
38
38
Leaflets filiform
PSORALEA
Leaflets ovate to elliptic or obovate
39
39
Leaflets (10)-20-40-(50) mm long, stipellate
ROBINIA
Leaflets mostly < 15 mm long, exstipellate
CARMICHAELIA†
40
Mature plant leafless at flowering or with only a few scattered lvs
41
Mature plants with many lvs at flowering
45
41
Calyx unilabiate, split above; corolla 22-28 mm long; stems rounded
SPARTIUM
Calyx campanulate and ± symmetric; corolla usually < 22 mm long, if > 22 mm, then stems flattened
42
42
Final branchlets stout, erect, rounded and deeply ribbed; calyx lanate
CORALLOSPARTIUM†
Final branchlets stout or slender, usually spreading or drooping, sometimes erect, rounded or flattened, smooth or finely ribbed; calyx glabrous to lanate
43
43
Pod linear, many-seeded, somewhat compressed between seeds
NOTOSPARTIUM†
Pod ovoid to oblong, 1-few-seeded, not compressed between seeds
44
44
Calyx and peduncle lanate
CHORDOSPARTIUM†ζ
Calyx and peduncle glabrous or sparsely to moderately hairy but not lanate
CARMICHAELIA†
45
Leaflet apex usually distinctly emarginate, rarely terminal leaflet mucronate; corolla 2-5 mm long
CARMICHAELIA†
Leaflet apex acute, obtuse, or rarely emarginate, often mucronate; corolla > 8 mm long
46
46
Lvs simple or palmately 5-11-foliolate
47
Lvs mostly 3-foliolate
50
47
Lvs 5-11-foliolate
LUPINUS
Lvs simple
48
48
Fls numerous, in terminal racemes; lvs (30)-35-60 mm long
OXYLOBIUM
Fls 1-3 together and axillary, or numerous in terminal umbels or condensed racemes; lvs (1)-2-30 mm long
49
49
Midvein of lf raised and prominent on undersurface of lf; fls numerous, in terminal umbels or condensed racemes
PULTENAEA
Midvein of lf usually evident but not greatly raised; fls 1-3 together and axillary
CYTISUS
50
Terminal distinctly > lateral petiolules
51
All petiolules ± equal
52
51
Calyx and undersurface of lvs densely hairy; racemes short, dense; pod spirally coiled
MEDICAGO
Calyx and undersurface of lvs glabrous or sparsely hairy; racemes elongate, diffuse; pod ± straight
GOODIA
52
Corolla 35-50 mm long
CROTALARIA
Corolla 8-25 mm long
53
53
Upper lip of calyx distinctly 2-toothed; corolla yellow
TELINE
Upper lip of calyx with 2 short or indistinct teeth; corolla white or yellow
54
54
Fls many in long, pendent racemes
LABURNUM
Fls 1-8-(12), in fascicles or short racemes
55
55
Calyx campanulate, < 5 mm long; young stems rounded and distinctly ribbed, angled or striate
CYTISUS
Calyx tubular, > 5 mm long; young stems rounded and only slightly angled
CHAMAECYTISUS
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