Tufted annual, up to 150 mm tall. Leaves linear, flat or rolled, never hispid; ligule a fringe of hairs. Inflorescence a contracted panicle. Spikelets 4.5-6 mm, often flushed purple, many-flowered; glumes longer than spikelet (excluding awns), 3-7-nerved; lemma fringed with long hairs across middle and on margins, lobes shortly awned, central awn 3-4.5 mm long, lower part or column twisted. Resembles species of Schismus but here lemma's central awn is not twisted in the column or lower part. Usually July-Oct.