Perennial. Culms tufted, erect and slender, 40–90 cm tall, ca. 1 mm in diam., 2–3-noded. Leaf sheaths glabrous, pilose along the summit; ligules a line of hairs, ca. 0.2 mm; leaf blades involute, adaxial surface pilose, 3–8 × 0.1–0.25 cm. Panicle lax, 7–25 × 0.4–0.9 cm; branch solitary, 4–8 cm, glabrous in axils; branchlet with 2–5 spikelets. Spikelets stramineous or gray-green, filiform or oblong, 0.5–2.5 × ca. 0.3 cm, 6–60-flowered, with pedicel 0.5–1 cm. Glumes 1-veined, lower glume narrowly ovate, apex acuminate, ca. 1.2 mm, upper glume ovate, apex acute, ca. 1.5 mm. Lemmas broadly ovate, apex acute, lateral veins distinct, lower lemma ca. 2 mm. Palea ca. 1.8 mm, persistent, along keels ciliate. Anthers ca. 0.3 mm. Caryopsis ca. 0.6 mm. Fl. Aug.

* Mountain slopes, open ground. Anhui, Fujian, Guangdong, Guangxi, Taiwan.