Shrubs or small trees. Stipules triangular, acuminate. Leaves opposite, occasionally in threes, sometimes with domatia. Flowers large, terminal. Calyx tube gradually funnel-shaped or cylindric. Corolla funnel-shaped or campanulate, lobes 5. Ovary 1-locular, with 2 parietal placentas. Fruit spherical or ellipsoid. Seeds very numerous, fused into a pulpy solid mass. Derivation of name: for Georg (Jöran) Johansson Rothman, 1739-1778, Swedish Botanist, physician and plant collector. Worldwide: 40 species in tropical and South Africa, Seychelles and Malay Peninsula. Malawi: 5 taxa. |
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