Succulent perennial
herbs, often glaucous. Leaves alternate, usually entire.
Capitula usually homogamous, discoid, 1-many in an inflorescence.
Phyllaries 1-seriate. Calyculus usually present, less often 0.
Receptacle flat, lacking scales. Flowers tubular, 5-toothed; style
arms appendaged. Achenes without a beak. Pappus of bristles in several series. Worldwide: c.40 species from the Canary Is, tropical and South Africa, Madagascar, Arabia to Sri Lanka Botswana: 1 taxon. |
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