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 Mozambique: 11 taxa.  | 
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| Species | FZ divisions | Content | 
| alba Nees | Z,T,MS,M | Description, Image | 
| albiceps (Ridl.) Rendle | ||
| bulbosa P. Beauv. | ||
| cartilaginea K. Schum. | ||
| crassipes Boeckeler | Description, Image | |
| erecta Schumach. var. erecta | M | Description, Image | 
| melanosperma Nees | MS,M | Description, Image | 
| nemoralis (J.R. Forst. & G. Forst.) Hutch. | ||
| platyphylla K. Schum. | ||
| robinsoniana Mtot. | ||
| squamulata Thonn. ex Vahl | Description, Image |