Source:
SSA
Description:
Herbs or subshrubs, cano-tomentose to glabrate. Leaves alternate, sometimes radical, often broad and incised-toothed or variably pinnatisect, rarely entire, petiolate, sometimes auriculate, palmately veined. Capitula radiate, rarely discoid, in lax corymbs. Involucre campanulate, calyculate; bracts in 1 row, linear, sometimes with membranous margin. Receptacle flat, epaleate. Rayflorets female; corolla yellow; tube cylindric, slightly to two and a half times shorter than lamina; lamina 3-toothed. Discflorets bisexual, fertile, rarely some functionally male; corolla tubular below, widened or narrowly campanulate above, glabrous; lobes 5, ovate. Anthers ecalcarate and ecaudate or faintly sagittate; with ovate-oblong, apical appendage; endothecial tissue radial. Style terete; branches truncate, penicillate, tipped with minute cone. Cypselas obovate, compressed, black or brown, margins thickened or winged, glabrous or ciliate. Pappus of several delicate, scabrid bristles, soon caducous. x = 9, 10 (polyploidy).
Distribution:
Species +/- 50, Africa and Madagascar, 37 in sthn Afr., widespread but absent from Botswana.
Classification:
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