Descriptions : Grass Culms usually herbaceous, leaves arranged in two rows, Inflorescence exerted from upper most leaf-sheath, rachis angular, branches ending in bristle-like appendages. Spikelets solitary, falling entire at maturity with bristles, subtended by bracts, with awn arising terminally, 2-flowered, lower floret of fertile spikelet male, upper bisexual or female, bisexual mixed in the same inflorescence, lower glume shorter than florets, completely surrounded by a ring of bristles, Bristles free to base, fine and thread-like. Involucre bristles hairy, rachis glabrous, spikelets pedicelled within involucre.