Delicate annual herbs with slender indistinctly 4-gonous stem. Leaves opposite. Flowers 4-merous. Receptacle broadly campanulate. Sepals long-persistent; intersepalar segments present. Petals obovate. Stamens 8, equal, straight, yellow; pedoconnective somewhat long with anterior bilobed appendage at the base; anthers obovate-oblong, dehiscing at the truncate apex by a large pore. Ovary 4-locular, the lower half adnate to the receptacle; style filiform; stigma punctiform. Capsule 4-valved. Seeds cochleate.
Worldwide: Species 2 or 3 in tropical Africa and Madagascar.
Zimbabwe: 4 taxa. |
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