Source:
SSA
Synonym(s):
Hoehnelia Schweinf.: 861 (1892).
Description:
Annual or rarely short-lived, perennial herbs. Leaves alternate, shortly petiolate, ovate-lanceolate to linear, entire or serrate. Capitula discoid; several- to many-flowered, in much-branched corymbs. Involucre campanulate or subhemispherical; bracts herbaceous, in 3 to many rows, imbricate, acute or obtuse. Receptacle flat, epaleate. Corolla mauve or purple; tube cylindric below, shallowly campanulate above; lobes 5, lanceolate, longer than campanulate part of tube. Anthers obtuse at base; with short, ovate, membranous apical appendage. Style branches filiform, subulate; pollen-sweeping hairs relatively long, exserted. Cypselas oblong-obconical, usually strongly 2-6-ribbed, glandular or rarely sparsely pilose between ribs and with thickened apical rim. Pappus 0. x = 10 (8-1 report) (aneuploids, polyploidy).
Distribution:
Species 19, tropical Africa and less commonly in tropical Asia; the widespread weedy species *Ethulia conyzoides L.f., is the only introduced representative in sthn Afr, recorded from the Northern Province, Mpumalanga and Gauteng.
Classification:
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