Source:
SSA
Description:
Annual or perennial herbs, villous or subwoolly. Leaves alternate, sessile, often cordate-amplexicaul, entire, sinuate or serrate-dentate. Capitula radiate or disciform, solitary, often pedunculate, terminal. Involucre hemispherical; bracts in 4 or 5 rows, linear, glandular, hairy. Receptacle flat, honeycombed, epaleate. Marginalflorets female; corolla yellow, strap-shaped, rarely filiform, 2- or 3-toothed. Discflorets bisexual, fertile; corolla yellow; tube slightly widened upwards, glabrous, 5-lobed. Anther bases sagittate, with branched tails, minutely calcarate; with lanceolate, apical appendage; endothecial tissue radial. Style branches with acute sweeping hairs, not reaching furcation. Cypselas semiterete, ribbed, glandular and hairy. Pappus double; outer row of short scales often connate into toothed crown; inner row of few, smooth, caducous bristles. x = 9 (6, 7, 10) (polyploidy, B-chromosomes-1 report).
Distribution:
Species 77, Europe, Africa and Asia; 1 in sthn Afr.: Pulicaria scabra (Thunb.) Druce, widespread but absent from Botswana and Northern Cape.
Classification:
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