Annual or perennial herbs. Culms triangular. Inflorescence a single ovate or hemispheric head, sometimes more complex additional lateral heads. Spikelets with relatively few, 1-2 (-5) florets. Glumes distichous. Perianth 0. Stamens 1-3. Stigmas 2. Fruit a nutlet, cylindric or ellipsoid, laterally flattened, usually dark brown to black when mature. Worldwide: 40 species in warm regions, especially Africa and Madagascar Rwanda: 9 taxa. |
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| Species | Content | |
| appendiculata K.Schum. | ||
| bulbosa P. Beauv. | ||
| chrysantha K.Schum. | ||
| erecta Schumach. [Agg] | ||
| intricata Cherm. | Description, Image | |
| odorata Vahl | Image | |
| pumila Michx. | Description | |
| sphaerocephala Boeckeler | ||
| stenophylla K.Schum. ex C.B.Clarke |