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 Burundi: 23 taxa. |
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| Species | Content | |
| albiceps (Ridl.) Rendle | ||
| albogracilis Lye | ||
| appendiculata K.Schum. | ||
| brevifolia Rottb. | ||
| bulbosa P. Beauv. | ||
| cataphyllata Huygh & Schouppe | ||
| chrysantha K.Schum. | ||
| chrysanthoides Mtot. | ||
| comosipes (Mattf. & Kük.) Napper | ||
| crassipes Boeckeler | Description, Image | |
| erecta Schumach. [Agg] | ||
| erecta Schumach. var. erecta | Description, Image | |
| erecta Schumach. var. africana (Kük.) S.S.Hooper | ||
| odorata Vahl | Image | |
| odorata Vahl var. cylindrica (Nees) Kük. | ||
| platyphylla K. Schum. | ||
| polyphylla Willd. ex Kunth | ||
| polyphylla Willd. ex Kunth var. elatior (Kunth) Kük. | ||
| pumila Michx. | Description | |
| sphaerocephala Boeckeler | ||
| squamulata Thonn. ex Vahl | Description, Image | |
| stenophylla K.Schum. ex C.B.Clarke | ||
| tenuifolia Steud. |