Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020) Apocynaceae (Part 2) Flora Zambesiaca 7(2)
Massive lianas, or erect to twining herbs arising from subterranean, or partially exposed tubers; latex white. Leaves opposite. Inflorescence extra-axillary, umbelliform. Corolla rotate, fused part not extending beyond the corona; lobes linear, spreading. Fruit consisting of pendulous follicles. Seeds flattened, ovate with a narrow marginal rim. Derivation of name: for Gustav Woldemar Focke (1810-1877), German physician, naturalist and plant physiologist. Worldwide: 6 species in southern Africa and 2 further species in East Africa. Tanzania: 2 taxa. |
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| Species | FTEA divisions | Content |
| angustifolia K. Schum. | Description, Image | |
| multiflora K. Schum. | Description, Image |