Small shrubs or procumbent, perennial herbs. Leaves varying from ovate to linear. Inflorescence of axillary cymes with few to many flowers; bracteoles large and conspicuous, often leathery and reticulately veined, enclosing the calyx and corolla tube. Calyx divided almost to the base; lobes 5. Corolla with 5 spreading subequal lobes; palate prominently transversely ribbed. Fruit a capsule, flattened, with a thickened apical 'knob'. Worldwide: 35 species in tropical and South Africa, the western Himalayas and western India. Mozambique: 1 taxon. |
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