Annual or perennial herbs. Perennials with a woody rhizome. Culms with leaves and nodes throughout. Leaves usually flat. Ligule present, tubular.
Inflorescence paniculate, consisting of 1-several clusters of
spikelets or compound corymbs of spikelets, the inflorescence
branches usually hairy. Spikelets of numerous overlapping
glumes, the 2 lowest sterile, the upper with bisexual flowers.
Glumes spirally arranged, sometimes 5-ranked,
pubescent with the midrib excurrent into a mucro. Perianth segments 3 or 6, sometimes 0, sometimes in 2 whorls of differing type. Stamens 2-3. Stigmas 3. Nutlet sessile, triangular, obovoid. Worldwide: 30 species in warm regions of the world Zambia: 12 taxa. |
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