Poa physoclina

Tufted perennial, culms initially erect, to c. 40 cm high, but weak and soon laid flat by wind, mostly without nodes above basal sheaths.. Leaf blades 10–25 cm long, 0.2–0.4 mm diam; closely folded, usually biconvex to nearly circular in section, usually minutely pilose with minute (<0.2 mm long) scattered to mid-dense, antrosely inclined hairs; ligule truncate, c. 0.3 mm long. Inflorescence at maturity an open pyramidal panicle to c. 12 cm long and wide. Spikelets 2- or 3-flowered, 3.5–6 mm long, green or purplish; glumes 3-nerved, the lower 2–3 mm long, the upper 2.5–3.5 mm long; lemma 5-nerved, 3–4.1 mm long, usually shortly and evenly hairy in the lower half to two-thirds, glabrous between the nerves; web rather sparse, to 1.5 mm long.