Entry for SONCHUS angustissimus Hook. f. [family COMPOSITAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 1, page 253, (1877) Author: (By Prof. Oliver and W. P. Hiern.)
Names
SONCHUS angustissimusHook. f. [family COMPOSITAE], in Journ. Linn. Soc. Lond. Bot. vii. p. 203.
Information
A robust erect herb 4–6 ft. high. Stem terete, striate, glaucescent, glabrous, hollow. Leaves from a sessile hastate-lanceolate base attenuate into a long linear acute apex, glabrous, ranging up to nearly a foot long; margins with aculeate denticulations directed downwards, undivided or with a few linear lateral lobes. Capitula campanulate, 3/4 in. long, many-flowered, woolly at base, on mostly short pedicels in an elongating cyme usually umbelliform at top. Involucral bracts linear or broader, obtuse, setose-hispid and the exposed ones somewhat woolly on midrib, imbricated, in many rows, unequal. Achenes compressed, smooth, 1/8 in. long, 12–15-costate; 4 of the ribs larger than the rest. Pappus 3/8 in. long, soft, white.
Distribution
Upper Guinea Cameroon Mountains, Mann! 7–8000 ft. alt.