Clarke, H. & Charters, M. (ed. Moll, E.) (2016) The Illustrated Dictionary of Southern African Plant Names Jacana Media, South Africa
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. DRC: 3 taxa. |
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| Species | Botanical divisions | Content |
| engleriana (K. Schum.) Keay | Description, Image | |
| fischeri (K. Schum.) Bullock subsp. fischeri | Description, Image | |
| whitfieldii (Lindl.) Dandy | Description, Image |