Shrubs or small trees. Leaves in pairs. Stipules produced into a narrow appendage at the apex. Inflorescences consisting of axillary cymes on opposite sides of the nodes. Calyx with 5 short, triangular, linear or oblong lobes. Corolla usually yellow, green, or greenish-yellow, densely hairy at throat; lobes 5, usually reflexed, sometimes with distinct narrow appendage at apex. Ovary 5-locular; ovule solitary in each loculus, pendulous. Fruit indehiscent, fleshy, ± spherical, glabrous. Worldwide: c. 15 species in tropical Africa and Madagascar Botswana: 7 taxa. The larvae of the following species of insect eat species of this genus: |
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