Compilation
Vernonia thomsoniana

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Name

Identification
Vernonia thomsoniana Oliv.&Hiern ex Oliv. [family ASTERACEAE ] Verified by Kalanda,K., Vernonia brachycalyx O.Hoffm. [family ASTERACEAE ] (stored under name);
Related name
  • Vernonia livingstoniana
  • Vernonia brachycalyx
  • Vernonia cruda
  • Vernonia thomsoniana
  • Vernonia densicapitulata
Common name
  • quinine des noirs (Gabon, Walker)., Burkill, H.M. 1985. The useful plants of west tropical Africa, Vol. 1

Flora

Entry for Vernonia thomsoniana Oliv. [family COMPOSITAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, Part 1, page 1, (2000) Author: H. J. Beentje, M.Sc., Ph.D., F.L.S.
Names
Vernonia thomsoniana Oliv. [family COMPOSITAE], in Trans. Linn. Soc., London 29: 91 (1873) & in F.T.A. 3: 295 (1877); O. Hoffm. in Bol. Soc. Brot. 13: 16 (1897); S. Moore in J.B. 65, suppl. 2, Gamopet.: 49 (1927); F.P.S. 3: 62 (1956); C.D. Adams in F.W.T.A. ed. 2, 2: 277 (1963); Maquet in Fl. Rwanda 3: 552 (1985); C. Jeffrey in K.B. 43: 217 (1988); G.V. Pope in F.Z. 6: 83 (1992); Kalanda & Lisowski in Fragm. Flor. Geobot. 40 (2): 705, fig. 36 (1995). Type: Uganda, W Nile District, Madi, Grant (K!, holo.)
Vernonia livingstoniana Oliv. & Hiern [family COMPOSITAE], in F.T.A. 3: 295 (1877); S. Moore in J.L.S. 40: 107 (1911). Syntypes: Malawi, Manganja Hills, Meller (K!, Syn.), Shire R., Stewart (K!, Syn.)
Vernonia cruda Klatt [family COMPOSITAE], in Bull. Herb. Boiss. 4: 456 (1898). Type: Congo (Kinshasa), Lubudi, Descamps 28 (BR!, holo.)
Vernonia densicapitulata De Wild. [family COMPOSITAE], in B.J.B.B. 5: 92 (1915), as densecapitulata. Type: Congo (Kinshasa), Shinsenda, Bequaert 494 (BR!, holo.)
Vernonia thomsoniana (Oliv. & Hiern) Pic. Serm. var. livingstoniana [family COMPOSITAE], in Webbia 7: 340 (1950); Brenan in Mem. N.Y. Bot. Gard. 8(5): 462 (1954)
 Gymnanthemum thomsonianum (Oliv.) H. Rob. [family ], in Proc. Biol. Soc. Wash. 112: 243 (1999)
Information
 Shrub or woody herb 1-4 m tall; in regularly burned areas with annual shoots from a thickened perennating root to 3 cm in diameter; stems pale or reddish brown, glandular, minutely ascending-pubescent with T-shaped hairs. Leaves petiolate or sessile, ovate or elliptic, 3-15 cm long, 1.8-7 cm wide, base rounded to cuneate and decurrent on to petiole or petioloid base, margins sinuate-serrate, apex shortly and obtusely acuminate, apiculate, thinly pubescent above and more strongly so beneath, ± glabrescent; petiole up to 1.8 cm long. Capitula usually numerous in copious compound corymbiform cymes; stalks of individual capitula 1-8 mm, densely tomentose; involucre obconical, somewhat spreading, 3-5 mm long; phyllaries 4-8-seriate, elliptic to (broadly) ovate, obtuse, minutely apiculate, finely pubescent, 1.5-4.3 mm long, with glandular apex, becoming caducous, the innermost falling first. Florets 4-9 per capitulum; corolla mauve, pale lilac or rarely white, 4-7 mm long, lobes 1.3-2 mm long, glabrous. Achenes 1.5-2.1 mm long, minutely glandular, glabrous or almost so, 4-7-ribbed, carpopodium large; outer pappus of narrow scales 0.5-0.8 mm long, inner pappus whitish, 3.2-5 mm long.
Range
Distr.U 1, 2, 4; T 1, 4 from Guinea to Congo (Kinshasa), Rwanda, Burundi, Sudan, Angola, Zambia, Malawi, Mozambique, Zimbabwe
Altitude range
750-1800 m
Distribution
TANZANIA Ngara District Muganza, Bushubi, Sep. 1960, Tanner 5139!TANZANIA Kigoma District Kasangazi, July 1958, Mahinde 129!TANZANIA Mpanda District Kasimbo, July 1968, Sanane 236!UGANDA Kigezi District Ruhinda, Jan. 1951, Purseglove 3540!UGANDA Toro District Queen Elizabeth National Park, Mukorobori Rangers Post, May 1969, Lock 69/93!UGANDA Masaka District Kyotra, Nov. 1945, Purseglove 1903!

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