Festuca chayuensis L. Liu

Plant densely tufted. Culms 15–20 cm tall, node 1. Leaf sheaths smooth; auricles lanceolate, straight; leaf blades flat to involute, 5–8 cm × ca. 1 mm, margins scaberulous; ligule 0.4–0.6 mm, truncate, margin ciliolate. Panicle loose, open, 5–7 cm; branches 2–3 cm, inserted singly. Spikelets 8–10 mm, dark purple; florets 4–5; glumes smooth; lower glume narrowly lanceolate, 2–3 mm; upper glume narrowly lanceolate, 3–4 mm; lemmas 5–6 mm, scabrid or pubescent, apex entire; awns 2–3 mm; palea keels scabrid. Anthers 2–2.2 mm. Ovary apex glabrous.

Xizang.

* Grassy mountainsides; ca. 3900 m.