Descriptions : Grass Culms usually herbaceous, leaves arranged in two rows, Inflorescence branches ending in bristle-like appendages, Spikelets falling at maturity with bristles. Spikelets: solitary, 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, falling entire, lower glume shorter than florets, completely surrounded by a ring of bristles, Bristles free to base, fine and thread-like. Inflorescence exerted from upper most leaf-sheath, rachis angular glabrous, involucre bristles hairy, spikelets sessile within involucre.