Shrubs or trees. Leaves glabrous, opposite, petiolate. Flowers in axillary clusters, often appearing on old wood. Calyx 3-5-lobed,
persistent. Corolla with 4-5 lobes, lobes short in relation to the tube. Stamens 4, exserted. Staminode 0. Style exserted, persistent. Fruit a berry. Derivation of name: after Albrecht von Haller, 1708-1777, professor of botany, Göttingen. Worldwide: 4 species in tropical and southern Africa and Madagascar. Zambia: 1 taxon. |
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