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DescriptionPerennials. 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.