Source:
SSA
Description:
Annual herbs, small and delicate. Leaves alternate, sessile, linear to linear-spathulate, shortly amplexicaul, sometimes toothed. Capitula radiate, few-flowered, small, laxly corymbose. Involucre ecalyculate, campanulate; bracts in 1 row, lanceolate, connate below, glabrous. Receptacle flat, epaleate. Rayflorets female; corolla white or yellow; tube with elliptic, 3-toothed lamina +/- twice its length. Discflorets bisexual, fertile; corolla yellow; tube campanulate above, with 5 ovate, cucullate lobes. Anthers ecalcarate and ecaudate; with oblong, apical appendages; endothecial tissue radial. Style terete, somewhat swollen at base, with linear, truncate, penicillate branches. Cypselas ellipsoid, ribbed, sparsely pubescent. Pappus of few delicate, barbellate, caducous bristles.
Distribution:
Monotypic, endemic to sthn Afr.: Oligothrix gracilis DC., Western Cape, very rare.
Classification:
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