Annuals or perennials. Inflorescence of paired or digitate racemes with narrowly winged triquetrous rhachis; spikelets paired. Spikelets awned; lower glume minute or 0; upper glume very short to as long as the spikelet and sometimes awned; lower lemma scabrid, prominently nerved, entire to 3-dentate, terminating in a straight
awn; upper lemma cartilaginous; apex acute to
acuminate; margin flat and thin, enfolding and concealing the
palea. Worldwide: 5 species in tropical and South Africa Zimbabwe: 1 taxon. |
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