Guizotia
Cass.
Herbs, annual. Leaves opposite or upper ones alternate. Heads heterogamous, rayed,
terminal or axillary, peduncled. Involucral bracts imbricate, in 2 series; outer herbaceous;
inner scarious. Receptacle convex, with scales. Ray florets yellow, ligulate, female,
fertile; corolla 2 - 3 toothed. Inner florets hermaphrodite, fertile; corolla campanulate,
shortly 5-lobed; tube short and woolly, embracing the top of the achene. Anther bases
truncate, entire. Style arms with subulate, hairy tips. Achenes glabrous, dorsally
compressed, 3 - 4 angled, rounded at tip. Pappus absent.
Mostly in tropical Africa; 12 species, 1 in India.
Literature. BAAGOE, J. (1974). The genus Guizotia (Compositae) - A taxonomic revision. Saertryk. Af. Botanisk. Tiddsskrift. 69: 1-39.
Mostly in tropical Africa; 12 species, 1 in India.
Literature. BAAGOE, J. (1974). The genus Guizotia (Compositae) - A taxonomic revision. Saertryk. Af. Botanisk. Tiddsskrift. 69: 1-39.