Perennials. Inflorescence of erect or
divergent racemes, arranged digitately or on a central axis;
racemes without homogamous pairs; internodes (of
racemes) and pedicels with a translucent, hyaline central
line. Sessile spikelets with obtuse callus; lower glume
cartilaginous, sometimes with 1-3 circular pits; lower
floret reduced to a hyaline lemma; upper lemma entire bearing an awn. Pedicellate spikelets like the sessile or smaller. Worldwide: c. 35 species in warm regions Caprivi: 2 cultivated taxa. |