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Bracteoles 2, very large, ovate or elliptic, ultimately more or less scarious, prominently veined. Calyx deeply divided into 5 unequal narrow-lanceolate segments. Corolla-tube dilated towards the top; lobes contorted in the bud. Stamens 4; anther-cells mucronate at the base; pollen ellipsoid, few-ribbed, stopples 3 with (nearly always) 1 tubercle above and 1 below each stopple. Style with 2 unequal branches; ovary with 2 ovules in each cell, glabrous. Capsule small (commonly 1/4 in. long), ellipsoid, compressed, dehiscing with elasticity; the placentæ separate from the capsule-wall, and spring up from the bottom. Seeds 4 (or more often 2) to the capsule, with many hygroscopic hairs. Small shrubs; leaves entire; inflorescence of contracted monopodial cymes, often reduced to single flowers, as nearly always in the South African species; bract to each flower small, narrow, or 0.