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Compilation
Vernonia umbratica

2 Images see all

Holotype of Vernonia umbratica Oberm. [family ASTERACEAE]
Holotype of Vernonia umbratica Oberm. [family ASTERACEAE]
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Name

Identification
Vernonia umbratica Oberm. [family ASTERACEAE ] Verified by Not on sheet, Vernonia wollastonii S.Moore [family ASTERACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Vernonia wollastonii
  • Vernonia umbratica

Flora

Entry for Vernonia wollastonii S. Moore [family COMPOSITAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 6, Part 1, (1992) Author: G. V. Pope
Names
Vernonia wollastonii S. Moore [family COMPOSITAE], in Journ. Linn. Soc., Bot. 38: 257 (1908); in Journ. Bot. 52: 334 (1914). —Wild in Kirkia11: 88 (1978). —C. Jeffrey in Kew Bull.43: 224 (1988). TAB. 14 fig. A Type from Uganda.
Vernonia gracilipes S. Moore [family COMPOSITAE], in Journ. Linn. Soc., Bot. 40: 105 (1911). Syntypes: Zimbabwe, Chimanimani Mts., Sywnnerton 1830 (BM), 1830a (BM; K), Mt. Pene, Swynnerton 6126 (BM), 6127 (BM).
Vernonia umbratica Oberm. [family COMPOSITAE], in Journ. S. Afr. Bot. 2: 164 (1936). —Hilliard in Ross, Fl. Natal: 357 (1972); Compos. Natal: 33 (1977). Type from South Africa (Transvaal).
Vernonia transvaalensis Hutch. [family COMPOSITAE], Bot. S. Afr.: 374 (1946). Type from South Africa (Transvaal).
Information
A lax somewhat delicate scrambling shrub, or diffuse subshrub, to c. 3 m. tall. Stems to c. 5 m. long; branches striate, appressed pubescent, indumentum of short-stalked T-shaped hairs. Leaves membranous, petiolate; petiole mostly 3–5 mm. long, sometimes to c. 45 mm. long; lamina mostly to 5–8(12) x 1–4 cm., ± narrowly lanceolate or elliptic-lanceolate, apex tapering acuminate, base cuneate and decurrent on petiole, or lamina to c. 12 x 6.5 cm. and ovate-lanceolate to ovate with apex acute and base abruptly contracted and narrowly decurrent on petiole; margins crenate-serrate with callose-tipped teeth or coarsely serrate; sparsely pilose or puberulent to glabrescent on both surfaces, minutely gland-pitted beneath; indumentum of one-armed or unequal-armed T-shaped hairs. Capitula numerous, in lax clusters 4–10 cm. across, terminal on branches, or capitula in a large terminal panicle; synflorescence branches sparsely linear-bracteate; capitula stalks mostly 4–22 mm. long, appressed-pubescent Involucres 3–6 x 4–7 mm., obconic-campanulate; phyllaries few-seriate, the outer 2–4 mm. long and narrowly lanceolate with an aristate or subulate apex, the inner to c. 6 mm. long and narrowly oblong-elliptic with an acute mucronate-aristate to tapering-acuminate and sharply-tipped apex, greenish, sometimes purple-tinged above, brownish strigulose or sericeous. Florets 14–20 per capitulum. Corollas mauve, fading to white, c. 7 mm. long, narrowly funnel-shaped. Achenes 2–3 mm. long, subcylindric to subfusiform, obscurely narrowly c. 5-ribbed, ± appressed-hispid glandular; outer pappus of short, narrow, scale-like setae, inner of barbellate setae 5–7 mm. long.
Habitat
Evergreen submontane forest margins usually amongst rocks beside rivers and streams, also in montane grassland.
Distribution
Mozambique MS Tsetserra, c. 1925 m., 6.vi.1971, Biegel 3571 (K; LISC; SRGH).Malawi S Chambe Plateau, Mulanje Mt., 20.v.1971, Salubeni 1614 (K; SRGH).Zimbabwe S Bikita, Turgwe R., above gorge, c. 940 m., 8.v.1969, Pope 114 (K; SRGH).Mozambique Z Namuli Peaks, c. 1380 m., 26.vii.1962, Leach & Schelpe 11471A (K; LISC; SRGH).Malawi N Misuku Hills, c. 1650 m., 10.i.1959, Richards 10594 (BR; K; SRGH).Zimbabwe E Mutare, 12.ix.1956, Whellan 1145 (K; SRGH).Zambia E Mukutus, 28.x.1972, Fanshawe 11618 (K).
Distribution (external)
Sudan
Ethiopia
Uganda
Rwanda
Kenya
Tanzania
Zaire
South Africa (Transvaal and Natal)

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