Deyeuxia imbricata

Tufted, glabrous perennial, culms erect, 50–100 cm high. Leaf-blades channelled, to 20 cm long and 4 mm wide, scabrous, rather rigid; ligules membranous, 3–5 mm long. Inflorescence a very dense cylindric panicle (3–)5–10 cm long. Spikelets 3–3.5 mm long, closely overlapping, green or slightly tinged purple; glumes equal, acute, closely scabrous along the keel, minutely scabrous on the sides; lemma 0.5–1 mm shorter than glumes, indistinctly nerved, finely but distinctly scabrous all over, shortly 4-toothed at apex, awned from about 1 mm below apex; awn fine, straight, not or barely exceeding lemma; callus hairs sparse, c. 0.5 mm long; rachilla not produced. Flowers Nov.–Dec. (2 records)