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Volume IV (1988) - Flora of New Zealand Naturalised Pteridophytes, Gymnosperms, Dicotyledons
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Crepis L.

CREPIS L.

Annual to perennial taprooted or rhizomatous herbs. Hairs eglandular, glandular, or 0. Stems usually branching, rarely scapose. Lvs usually basal and cauline, entire to runcinately 1-2-pinnatifid, sometimes the cauline 0 or much reduced. Capitula terminal and axillary, pedunculate. Outer surface of involucral bracts usually with glandular and eglandular hairs; inner surface glabrous or with appressed hairs; outer bracts < inner bracts; inner bracts in 2 or more series. Receptacle areolate, glabrous or ciliate; scales usually 0, rarely present. Corolla ligulate, usually yellow, sometimes orange, pink, or white, often with red or pink stripe on outer face. Style branches filiform, yellow or green. Achenes numerous, white to black, usually brown, ribbed, either all without beaks, all beaked, or the outer not beaked and inner beaked; pappus bristles in 1 or more rows, white to yellowish, short to > achene, simple, free or united at base.

Key

1
Achenes 2-2.5 mm long, none beaked; pappus not overtopping involucral bracts; involucral bracts glabrous on inner surface; receptacle glabrous
1. *capillaris
Achenes 4-13 mm long, at least the inner ones beaked; pappus overtopping involucral bracts at fruiting; involucral bracts with fine stiffly appressed hairs on inner surface; receptacle areoles with raised ciliolate margins
2
2
Peduncles and involucral bracts with stiff pale tapering spreading eglandular bristles 1-2 mm long
3. *setosa
Peduncles and involucral bracts with fine pale appressed hairs; spreading hairs, if present, glandular, usually dark, < 1 mm long
3
3
Plant foetid; buds nodding; inner involucral bracts enfolding outer achenes; outer achenes not beaked, inner beaked
2. *foetida
Plant not foetid; buds erect; inner involucral bracts not enfolding outer achenes; all achenes beaked
4. *vesicaria

200 spp., N. Hemisphere, tropics and South Africa. Naturalised spp. 4.

Babcock, E. B., Univ. Calif. Publ. Bot. 22 : 199-1030 (1947), provided a systematic treatment of the genus.

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