9237.000 Bidens L.

Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005) Compositae (Part 3) Flora of Tropical East Africa

Tadesse, M. (1993) An Account of Bidens (Compositae: Heliantheae) for Africa Kew Bulletin 48(3) 437-516

Wild, H. (1967) The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) 1-62

Description of the genus

Annual or perennial herbs. Leaves opposite, divided or compound, namely 2-3-pinnatisect, 3-foliolate or pinnate. Leaflets or lobes varying from linear to broadly ovate. Capitula usually radiate. Phyllaries in 2 series; outer herbaceous, inner usually scarious. Receptacular scales present. Ray florets neuter, sometimes 0; disk florets bisexual. Rays yellow, orange, golden, white or 0. Achenes bilaterally flattened or 3-4(-5)-angled, linear to broadly obovate; margin often thickened or winged. Pappus of 0-5 barbed (forwardly or backwardly) bristles.

Worldwide: 340 species, cosmopolitan, most in the New World but 63 species in Africa.

Zambia: 16 taxa.

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Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsProvincesContent
acuticaulis Sherff var. acuticaulis N,W,C,SE,Lk,SDescription, Image
biternata (Lour.) Merr. & SherffN,ECb,C,SDescription, Image
crocea Welw. ex O. Hoffm.Mc
diversa SherffNMc
drummondii Wild[End]WNw
grandis ShreffN,WCb,N
lineariloba Oliv.EDescription, Image
oblonga (Sherff) WildN
ochracea (O. Hoffm.) SherffN
oligoflora (Klatt) Wild[DD]Cb,N,C
pilosa L.Cb,N,C,Lk,WDescription, Image
pinnatipartita (O. Hoffm.) Willd.EMcDescription, Image
rubicundula Sherff[End][VU]WNwDescription, Image
schimperi Sch. Bip.B,N,C,SN,Lk,WDescription, Image
steppia (Steetz) Sherff var. steppia Cb,N,E,Lk,S
urceolata De Wild.[LR-nt]N,WNw,NDescription, Image

Other sources of information about Bidens:

Our websites:

Flora of Botswana: Bidens
Flora of Caprivi: Bidens
Flora of Malawi: Bidens
Flora of Mozambique: Bidens
Flora of Zimbabwe: Bidens
Flora of Zimbabwe: cultivated Bidens

External websites:

ePIC (electronic Plant Information Center): Bidens
Flora Zambesiaca web site: Bidens
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Bidens
IPNI (International Plant Names Index): Bidens
Kew Herbarium catalogue: Bidens

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-19

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2019). Flora of Zambia: Genus page: Bidens.
https://www.zambiaflora.com/speciesdata/genus.php?genus_id=1532, retrieved 21 March 2019

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