1. Molinia japonica Hackel, Bull. Herb. Boissier. 7: 704. 1899.
拟麦氏草 ni mai shi cao
Molinia hui Pilger; Moliniopsis hui (Pilger) Keng; M. ja-ponica (Hackel) Hayata.
Shortly rhizomatous perennial. Culms stiffly erect, 60–100 cm tall, 2–5 mm in diam., unbranched. Leaf sheaths usually thinly pilose, a ring of short hairs externally at junction with blade; leaf blades tough, 30–60 cm, 3–14 mm wide, midvein convex on abaxial surface, adaxial surface paler, glabrous or thinly pilose, apex acuminate; ligule 0.5–1 mm. Panicle 15–40 cm, open; primary branches ascending, branched from base, spikelets loosely appressed to secondary branches. Spikelets 6.5–10 mm, with 3–5 spaced florets, uppermost floret reduced, smooth, glossy; rachilla internodes 1.5–2 mm, puberulous, often with longer hair-tuft at apex; glumes much shorter than lowest lemma, 3-veined; lower glume ovate, 2–4 mm, acute; upper glume elliptic-ovate, 3–5 mm, subacute; callus hairs 1–2 mm; lemmas ovate-oblong, 4–7 mm, inconspicuously 3-veined, subacute; palea ciliolate along upper keels. Anthers 2–3 mm. Fl. and fr. Jul–Aug. 2n = 50.
Moist upland grasslands and moorlands, in the open or in shade; ca. 1500 m. Anhui, Zhejiang [Japan, S Korea, Russia (S Kuril Islands, S Sakhalin)].