细叶芨芨草Achnatherum chingii (Hitchc.) Keng ex P. C. Kuo

别名：秦氏芨芨草;牛毛草;

科名：禾本科 Gramineae

属名：芨芨草属 Achnatherum

《中国植物志》第9(3)卷323页
  5.细叶芨芨草（秦岭植物志）秦氏芨芨草（禾本科图说）
  Achnatherum chingii (Hitchc.) Keng ex P. C. Kuo, 秦岭植物志1 (1) : 152. 图121. 1976. ——Stipa chingii Hitchc. in Proc. Biol. Soc. Wash. 43: 94. 1930. ——Achnatherum chingii (Hitchc. )Keng,禾本科图说595.图533, 1959, et中国高等植物图鉴5: l19.图7076. 1976. comb. illeg.

《Flora of China》 Vol. 22 (2006)
Achnatherum chingii  (Hitchcock) Keng
细叶芨芨草   xi ye ji ji cao
Stipa chingii Hitchcock, Proc. Biol. Soc. Washington 43: 94. 1930.
Perennial, densely tufted. Culms erect, 40–70 cm tall, ca. 1.5 mm in diam., 2–3-noded. Leaf sheaths shorter than internodes, smooth; leaf blades filiform, convolute, soft, up to 25 cm, 0.5–1 mm wide, scabrid; ligule lanceolate, 2–4 mm, often 2-lobed or obtuse. Panicle open or loosely contracted, 10–20 cm; branches often paired, laxly ascending or lower spreading, lower part bare, upper part with few spikelets. Spikelets 7–12 mm, yellowish green or purple at base; glumes subequal, lanceolate-oblong, membranous, lower 7–8 mm, 1–3-veined, upper 8–10 mm, 3-veined, apex obtuse; callus obtuse or acute, 0.5–1 mm; lemma 6–8 mm, lower back pubescent, apex 2-toothed; awn persistent, 1–1.8 cm, 1(–2)-geniculate, column twisted, pubescent, bristle glabrous; palea slightly shorter than lemma. Anthers ca. 2 mm, glabrous or with a few hairs at apex. Fl. and fr. Jul–Sep.
* 2200–4000 m. Gansu, Qinghai, Shaanxi, Shanxi, Sichuan, Xizang, Yunnan.
This taxon appears to differ from Achnatherum duthiei only in its shorter anthers. An examination of a sufficient quantity of specimens may show them to be the same species.