Compilation
Bidens baumii

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Name

Identification
Bidens baumii (O.Hoffm.) Sherff [family ASTERACEAE ] (stored under name); Verified by Rayner,T.G.J.,
Related name
  • Coreopsis baumii
  • Bidens somaliensis
  • Bidens ruandensis
  • Coreopsis scabrifolia
  • Bidens baumii
  • Coreopsis guineensis

Flora

Entry for Bidens baumii (O.Hoffm.) Sherff [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 Part 3, page 547, (2005) Author: H. Beentje, C. Jeffrey & D.J.N. Hind
Names
Bidens baumii (O.Hoffm.) Sherff [family COMPOSITAE], in Bot Gaz. 59: 309 (1915) & in Field Mus. Nat. Hist., Bot. Ser. 16: 589, fig. 158 (1937); Lisowski, Asterac. Fl. Afr. Centr. 1: 163, fig. 37 (1991); Mesfin in K.B. 48: 460 (1993). Type: Angola, Mambunda, Baum 883 (B†, holo., W!, lecto., BM!,G!, K!, M!, selected by Rayner in 1992)
Coreopsis baumii O.Hoffm. [family COMPOSITAE], in Warb., Kunene–Sambesi Exped.: 419 (1903)
Coreopsis scabrifolia Sherff [family COMPOSITAE], in Bot. Gaz. 76: 86 (1923) & in Field Mus. Nat. Hist., Bot. Ser. 11: 397, fig. 158 (1936). Type: Congo (Kinshasa), Kundelungu, Kassner 2776 (B†, holo., BM!, lecto., BM!, K!, P!, Z!, chosen by Rayner in 1992)
Bidens ruandensis Sherff [family COMPOSITAE], in B.J.B.B. 13, 4: 285 (1935) & in Field Mus. Nat. Hist., Bot. Ser. 16: 590 (1937). Type: Rwanda, Ruhengeri, Scaetta 427 (BR!, holo.)
Bidens somaliensis Sherff var. bukobensis [family COMPOSITAE], in Field Mus. Nat. Hist., Bot. Ser. 17: 584 (1939). Type: Tanzania, Ngara District: Bugufi, Chambers K21 (K!, holo.)
Information
Perennial herb, 0.6–1.3 m high, erect to decumbent; stem single from a woody tuberous rootstock, little branched, glabrous. Leaves lanceolate to ovate, 5–15 cm long, 1–3 cm wide, base long attenuate but wider near stem, margins coarsely dentate to shallowly pinnately lobed, apex acute to attenuate, glandular-punctate, scabrid on both surfaces; pseudopetiole to 35 mm long. Capitula terminal, solitary or few in lax cymes; stalks of individual capitula to 16 cm long; involucre 8–11 mm long; outer phyllaries 8, green, pilose, the inner 8, pilose; paleae 7–8.5 mm long. Ray florets yellow, neuter, 6–8, tube to 3 mm long, rays 15–18x7–8 mm; disc florets yellow, 5.5–6 mm long, pilose. Achenes black, 6–11 mm long, pubescent; aristae 2, 1–2.5 mm long, without barbs or with barbs connate to arista, rarely absent.
Range
DISTR. T 1, 4
Altitude range
1800–2200 m
Distribution
TANZANIA Bukoba District Bugufi, Jan. 1936, Chambers K 52! & 55!TANZANIA Ufipa District Mbizi Forest, June 1980, Hooper & Townsend 1821! & Mbizi Mts, Apr. 1997, Bidgood et al. 3572!
Distribution (external)
Congo (Kinshasa)
Rwanda
Burundi
Angola
Zambia
Malawi
Notes
CONSERVATION Least concern (LC)

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