Description:
Perennial herbs or subshrubs. Leaves opposite, petiolate, lanceolate; stipules ovate to lanceolate. Inflorescence terminal, globose to oblong, involucrate heads or dense terete spikes. Flowers bisexual, small, white. Calyx: tube campanulate to obovoid; lobes 4-6, spreading, hispid or ciliate, persistent. Corolla funnel-shaped or subcampanulate, not much longer than calyx, throat hairy; lobes 4-6, ovate or lanceolate, spreading, valvate in bud. Stamens 4-6, arising in throat of corolla; filaments short; anthers included, linear, glabrous, fixed above base. Disc cushion-shaped or raised. Ovary 2-locular; ovules solitary, erect; style slender, glabrous, with 2 short obtuse branches. Fruit small, ovoid or subglobose; pyrenes 2, planoconvex, crustaceous. Seeds smooth; testa membranous; endosperm fleshy.
Distribution:
Species 10, trop. Africa; sthn trop. Afr. 2, Angola.
Source:
SSTA
Classification:
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