Perennial herbs. Leaves simple,
opposite, sessile. Peduncles thickened below the capitula.
Capitula homogamous, ray florets 0. Phyllaries in 3-5
series; outer ± broadly ovate, inner longer and
narrower. Receptacle without scales. Corolla orange-red (in
ours), deeply 5-lobed at apex. Achenes longitudinally
ribbed, sometimes 4-5-angled, strigose to hispid. Pappus
1-seriate, of numerous, usually hooked, bristles. Worldwide: 7 species in tropical Africa Zimbabwe: 2 taxa. |
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