Shrubs or small trees, sometimes ± scrambling. Spines absent (in ours). Stipules oblong or triangular, hairy within. Leaves opposite (rarely whorled), petiolate, often with domatia. Flowers axillary, solitary or in 2-10-flowered umbel-like cymes, peduncles and pedicels mostly clearly present, 5-merous, white, yellowish or greenish. Calyx tube subspherical. Corolla: tube cylindric; lobes acute or very long-apiculate or with a filiform appendage. Ovary mostly 3-5-locular but some species 2-locular. Pollen presenter distinctly 2-5-lobed at apex. Fruit usually spherical with 1-5 pyrenes. Worldwide: 60-70 species in tropical Africa Burundi: 13 taxa. |
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| Species | Content | |
| acuminatissima (K.Schum.) Robyns subsp. acuminatissima | ||
| acuminatissima (K.Schum.) Robyns subsp. pedunculata Verdc. | ||
| bagshawei (S.Moore) Robyns[Agg] | ||
| bagshawei (S.Moore) Robyns var. lebrunii (Robyns) Verdc. | ||
| bridsoniae Verdc.[Agg] | ||
| bridsoniae Verdc. subsp. bridsoniae | ||
| kigeziensis Verdc. | ||
| kiwuensis (K.Krause) Robyns | ||
| lewisii Tennant | ||
| membranacea (Hiern) Robyns | ||
| monantha (K.Schum.) Robyns[Agg] | ||
| orbicularis (K.Schum.) Robyns | Description, Image | |
| ruwenzoriensis (De Wild.) Robyns |