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<big>''[[Bidens schimperi]]'' Sch.Bip.</big>
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{{DISPLAYTITLE:''Bidens schimperi'' (PROTA)}}
:Protologue: Repert. Bot. Syst. 6: 168 (1846).
:Family: Asteraceae (Compositae)
== Origin and geographic distribution ==
== Description ==
*Annual, erect herb up to 1(–1.5) m tall, with 4-angled stems, sometimes branched. *Leaves opposite, rarely alternate towards the upper part of the plant, usually tripartite, 20(–30) cm × 10(–15) cm; leaf segments ovate or narrowly oblong-ovate, margins entire, lobed, incised-dentate or crenate-serrate. *Inflorescence a head 2.5–4 cm in diameter, arranged in lax cymes; outer involucral bracts 8, 2.5–10 mm long. *Ray flowers 6–8, sterile, corolla 6–20 mm long, yellow; disk flowers tubular, bisexual, with c. 4 mm long, yellow corolla. *Fruit a linear achene up to 16 mm long, 4-ribbed, with (1–)2 retrorsely barbed bristles up to 4 mm long.
The genus ''Bidens'' in Africa comprises 63 species. The African species, formerly considered to belong to the genus ''Coreopsis'', are now all placed in ''Bidens''.
== Ecology ==
In Tanzania ''Bidens schimperi'' is common in dry grassland, on black cotton soil, in abandoned fields and overgrazed or recently burnt grassland, from sea-level up to 2400 m altitude.
== Genetic resources ==
== Author(s) ==
* C.H. Bosch , PROTA Network Office Europe, Wageningen University, P.O. Box 341, 6700 AH Wageningen, Netherlands
== Correct citation of this article ==
Bosch, C.H., 2004. '''Bidens schimperi''' Sch.Bip. [Internet] Record from PROTA4U. Grubben, G.J.H. & Denton, O.A. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. <http://www.prota4u.org/search.asp>.
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[[Category:PROTA]]
[[Category:Vegetables (PROTA)]]