草原羊茅 cao yuan yang mao

Plant densely tufted. Culms 15–30 cm tall. Leaf sheaths glabrous; auricles present as erect swellings or absent; leaf blades filiform, conduplicate, 7–15 cm × 0.4–0.6 mm, cauline leaves 1.5–3 cm, veins 5; adaxial to abaxial sclerenchyma strands absent, abaxial sclerenchyma in 3 broad bands at midrib and margins; ligule 0.9–1.1 mm, margin ciliolate. Panicle narrow, 3.5–4.5 cm × 0.3–0.5 cm; branches 0.5–1 cm, inserted singly, rarely paired at lowest node, upper part of panicle racemose. Spikelets 5–6 mm, yellowish green; florets 4; glumes pubescent, margins ciliolate; lower glume narrowly lanceolate, ca. 3 mm; upper glume broadly lanceolate, ca. 4 mm; lemmas 4–5 mm, pubescent, awnless or mucronate. Anthers ca. 1.5 mm. Ovary apex glabrous. Fl. and fr. Sep–Nov.

* Grassland steppes. Heilongjiang.