4. Neyraudia montana Keng, Sinensia. 6: 151. 1935.
山类芦 shan lei lu
Perennial, caespitose from a short woody rhizome clothed in tomentose sheath remnants. Culms erect, up to 1 m tall, 2–3 mm in diam., 4–5-noded. Basal leaf sheaths tomentose with golden brown hairs, upper leaf sheaths glabrous; leaf blades firm, involute, up to 60 × 0.5–0.7 cm, glabrous or adaxial surface pilose, apex long acuminate; ligule ca. 2 mm. Panicle 30–45 cm, open, branches to 15 cm, distant, inserted singly, stiffly divaricate, branchlets and pedicels appressed. Spikelets 7–10 mm, florets 3–6, all fertile; glumes 1-veined, ca. 5 mm, or lower glume ca. 4 mm, apex acuminate or subulate; lemmas 5–6 mm, lateral veins ciliate, awn straight, 0.8–2 mm. Callus hairs ca. 2 mm. Fl. and fr. Aug.
* Mountain slopes, roadsides. Anhui, Fujian, Hubei, Jiangxi, Zhejiang.
Neyraudia montana is distinctive on account of its basal sheaths with brown, velvety hairs and much more open panicle with stiffer branches than in the other species.