ceolate,2–3mm,gray-greenor.PDF

POACEAE 487 ceolate, 2–3 mm, gray-green or purplish; glumes 0.5–1.2 mm Plants with creeping scaly rhizomes; rhizomes 3–5 cm, ca. with lower glume slightly shorter than the upper, hyaline, vein- 2 mm thick. Culms erect, 40–80 cm tall, ca. 1 mm thick at base, less or upper glume 1-veined, apex obtuse; lemma 2–3 mm, slender, not branching in upper part. Leaf sheaths loose, gla- gray-green or purple, scaberulous, lower 1/4 of back pilose; brous; leaf blades 5.5–12 × 0.2–0.4 cm, flat, scabrid on both awn 8–16 mm. Anthers ca. 0.8 mm. Fl. and fr. Jul–Oct. 2n = surfaces and margins or abaxial surface smooth; ligule 0.5–1 40, 42. mm, truncate, lacerate. Panicle 15–23 × ca. 0.5 cm, narrow, Moist places in mountain valleys, riversides, forests; 900–3000 m. branches one or two per node, sparse, appressed. Spikelets nar- Anhui, Fujian, Gansu, Guizhou, Hebei, Heilongjiang, Henan, Hubei, rowly lanceolate, 4–5 mm, gray-green; glumes 3–4 mm, pa- Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaan- pery, subequal or lower glume slightly shorter than the upper, xi, Shandong, Shanxi, Sichuan, Taiwan, Xinjiang, Xizang, Yunnan, 1-veined, scaberulous along veins, apex acuminate; lemma 4–5 Zhejiang [Afghanistan, Bhutan, India, Japan, Korea, Nepal, Pakistan, mm, pale with gray-green variegation, equal to spikelet, lower Philippines, Russia]. 1/4 of back pubescent; awn 5–9 mm, straight. Anthers