Annual herbs. Stems erect, much branched, 4-ridged or narrowly 4-winged, glabrous. Leaves sessile; lamina lanceolate or elliptic, 3–5-nerved. Flowers 4-merous, in terminal or axillary, lax cymes, sometimes, solitary. Calyx tube terete or winged; lobes much shorter than the tube. Corolla usually regular, tube cylindric, with 4 lobes, much shorter than the tube. Ovary ellipsoid or cylindric, unilocular. Fruit a cylindric, 2-valved capsule. Seeds numerous. Worldwide: 12 species in Indonesia, Malaysia, Australia and Africa.
Mozambique: 2 taxa. |
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