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Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005) Compositae (Part 3) Flora of Tropical East Africa
Jeffrey, C. (1986) The Senecioneae in East Tropical Africa: Notes on Compositae: IV Kew Bulletin 41(4) 873-943
Herbs, subshrubs or shrubs,
sometimes succulent or climbing. Leaves alternate, sometimes radical, entire or lobed. Capitula either (1) heterogamous with
marginal fertile (rarely sterile) female florets and bisexual disk florets or (2) homogamous. Calyculus of usually much shorter
basal bracts present. Flowers usually yellow, less often purple or white. Phyllaries in 1 subequal series. Receptacle flat or ± convex, without scales, pitted or
shortly fimbriate. Pappus of bristles. Worldwide: c.1250 species, cosmopolitan Botswana: 8 taxa. The larvae of the following species of insect eat species of this genus:
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| Species | FZ divisions | Content |
| consanguineus DC. | ||
| coronatus (Thunb.) Harv. | Description, Image | |
| cryphiactis O. Hoffm. | ||
| erubescens Aiton var. erubescens | Description, Image | |
| latifolius DC. | Description, Image | |
| oxyriifolius DC. | Description, Image | |
| strictifolius Hiern | Description | |
| venosus Harv. | Description, Image |
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