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.

Malawi: 14 taxa.

Bidens pinnatipartita

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

SpeciesFZ divisionsContent
acuticaulis Sherff var. acuticaulis Description, Image
baumii (O. Hoffm.) Sherff?
biternata (Lour.) Merr. & SherffN,SDescription, Image
crocea Welw. ex O. Hoffm.N
diversa SherffN
kilimandscharica (O. Hoffm.) SherffNDescription
lineariloba Oliv.NDescription, Image
oblonga (Sherff) Wild?
ochracea (O. Hoffm.) SherffNDescription, Image
pilosa L.Description, Image
pinnatipartita (O. Hoffm.) Willd.N,C,SDescription, Image
schimperi Sch. Bip.NDescription, Image
setigera (Sch. Bip.) SherffN,C,S
steppia (Steetz) Sherff var. steppia N,C,S

Other sources of information about Bidens:

Our websites:

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

External websites:

African Plants: A Photo Guide (Senckenberg): Bidens
BHL (Biodiversity Heritage Library): Bidens
EOL (Encyclopedia of Life): Bidens
GBIF (Global Biodiversity Information Facility): Bidens
Google: Web - Images - Scholar
iNaturalist: Bidens
IPNI (International Plant Names Index): Bidens
JSTOR Plant Science: Bidens
Mansfeld World Database of Agricultural and Horticultural Crops: Bidens
Plants of the World Online: Bidens
Tropicos: Bidens
Wikipedia: Bidens

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Malawi: Genus page: Bidens.
https://www.malawiflora.com/speciesdata/genus.php?genus_id=1532, retrieved 13 April 2024

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