Wild, H. (1967) The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) 1-62
Annual herbs. Leaves alternate, divided. Capitula radiate, heterogamous. Phyllaries 1-2-seriate; ± membranous. Receptacular scales flat. Ray florets female; disk bisexual. Rays yellow or orange-yellow. Achenes oblong-cylindric, with a thick pale margin. Pappus 0 or reduced to a minute disk. Worldwide: 13 species in N and Central America, especially Mexico; the Galapagos and one pantropical weed (C. americanum) Mozambique: 1 taxon.  | 
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| Species | FZ divisions | Content | 
| indicum DC. subsp. afro-americanum B.L. Turner | N,Z,T? | Description, Image |