Poa petrophila

Velvety-pubescent perennial, tufted or sometimes developing a short, oblique rhizome, culms erect, variably pubescent, to c. 70 cm high. Leaves rather stiff; sheath usually distinctly purplish, pubescent; blade inrolled-terete or closely folded, to c. 25 cm long and 0.5–0.8 mm wide, evenly covered with short, spreading hairs to c. 0.5 mm long and often appearing whitish; ligule truncate or obtuse, membranous, densely ciliate, to c. 1 mm long. Inflorescence commonly a somewhat contracted panicle, occasionally the lower branches widely spreading, to c. 13 cm long and 7 cm wide. Spikelets 3–6-flowered, 3–6 mm long, mostly purplish; glumes 3-nerved, 2–2.5 mm long, the upper slightly longer than lower; lemma 5-nerved, 3–4 mm long, evenly short-pubescent, or hairs confined to basal part, usually with long hairs along the keel near the base; web absent or reduced to a few hairs. Flowers Nov.–Feb.