Annuals or perennials. Inflorescence a dense, spike-like panicle (in ours), rarely open. Spikelets laterally flattened (dorsally in S. interrupta), asymmetrical; glumes prominently ribbed; lower 1/4 to 3/4 the length of the spikelet; upper glume equalling spikelet and gibbous; lower lemma resembling upper glume but less gibbous; upper lemma dorsally flattened, thinly coriaceous to cartilaginous; margin flat or involute but never hyaline Worldwide: 30 species in tropical and warm areas, especially Africa Caprivi: 3 taxa. |
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| Species | Content | |
| rigens (Mez) A.Chev. | ||
| spiciformis (A. Rich.) Stapf | Description | |
| typhura (Stapf) Stapf | Description, Image |