Poa orba

Rhizomatous glabrous perennial, to c. 15 cm high; rhzomes long-spreading, sometimes with slightly swollen internodes; culms often slgihtly compressed. Leaves all basal, smooth; sheaths connate near base, unpigmented; blade channelled or closely folded, often biconvex in section, 4–8 cm long, 0.8–1.5 m wide (to 3 mm wide when flattened out), rather stiff, glaucous, sometimes minutely scabrous near margins, apex pointed and narrowly hooded, nerves rather inconspicuous; ligule obtuse or truncate, sometimes shallowly lacerate, membranous, 0.9–3.5 mm long. Inflorescence ovate or more contracted, 2–6 cm long. Spikelets (2–)3–5-flowered, 1.9–2.6 mm long; lower glume 1.9–2.7 mm long, 1- or 3-nerved, upper glume 2.1–2.9 mm long, 3- or 5-nerved; lemma 5- or 7-nerved, 2.3–3.2 mm long, wholly smooth and glabrous, or the midnerve minutely scabrous toward the apex; web absent. Flowers Nov.–Jan.