Annual or perennial herbs. Leaves alternate, 3-5-lobed at least below. Capitula terminal on the branches (in ours), heterogamous, radiate; ray
florets female, 1(-2)-seriate, rays longer than pappus; disk florets yellow, bisexual. Receptacle flat,
naked. Achenes ± terete or flattened. Pappus of a single
series of white minutely barbellate setae. Worldwide: c.150 species, cosmopolitan, but especially N America. Zimbabwe: 1 cultivated taxon. |
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