Source:
SSA
Description:
Perennial herbs, shrublets or shrubs. Leaves alternate, sessile or subsessile, linear to suborbicular, entire to serrate, often amplexicaul and decurrent, fleshy. Capitula discoid, solitary, clustered or paniculate-corymbose, few- to many-flowered. Involucre ecalyculate, narrowly campanulate; bracts few to many, in 1 row, connate, at length free to base, sometimes keeled on back or more rarely with wide crest or wing, glabrous or rarely hairy. Receptacle flat, honeycombed, margins of alveolae slightly raised; epaleate. Florets bisexual, innermost sometimes functionally male; corolla white, pink or purplish; tube becoming campanulate above, articulate +/- in middle of cylindric base, with 5 +/- deltoid lobes. Anthers ecalcarate and ecaudate; with ovate to ovate-oblong appendage; endothecial tissue radial. Style terete; branches linear-obtuse, with long, filiform, papillose appendages. Cypselas ellipsoid-oblong, obscurely ribbed, glabrous or pubescent. Pappus of many fine bristles.
Distribution:
Species +/- 20, tropical and sthn Afr.; 8 in sthn Afr., summer-rainfall parts but absent from Botswana and Free State.
Classification:
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