Culms erect or slightly geniculate, 60–80 cm tall, 2.5–3.5 mm in diam., 3-or 4-noded. Leaf sheath glabrous; ligule ca. 5 mm, membranous, apex truncate; leaf blade flat, 7–14 × 0.4–0.8 cm, abaxial surface glabrous or scabrous, adaxial surface white villous. Spike erect, green, dense, 8–11 × 0.6–0.8 cm; rachis margin ciliate; internodes ca. 5 mm. Spikelets 15–18 mm, with 4–6 florets. Glumes ovate-lanceolate, subequal, 8–9 mm, 4–6-veined, glabrous, margin membranous; awn 2–5 mm. Lemma lanceolate, 5–7-veined, abaxially scabrous or sparsely spinescent; first lemma 10–11 mm; awn 7–12 mm. Palea slightly shorter than lemma, ciliolate along keels, scabrous between keels. Anthers yellow, 1.4–1.8 mm. Ovary apex hirsute. Fl. and fr. autumn.
Home