拟金茅Eulaliopsis binata (Retz.) C. E. Hubb.

别名：sabaigrass;羊毛草;蓑草;薏草;毛羊草;山茅草;索草;羊草;龙须草;梭草;糯的羊毛草;凉草;衰草;捆烟草;羊茅;蓑衣草;山草;

科名：禾本科 Gramineae

属名：拟金茅属 Eulaliopsis

《中国植物志》第10(2)卷097页
  1. 拟金茅（禾本科图说）龙须草（秦岭区），羊草、梭草（云南）图版22
  Eulaliopsis binata (Retz.) C. E. Hubb. in Hook. Ic. Pl. sub tab. 3262. 1935; 中国主要植物图说·禾本科784-785. 图731. 1959; 台湾的禾草80, 693, 图242. 1975.——Andropogon binatus Retz. Obs. Bot. 5: 21. 1789. ——Spodiopogon angustifolius Trin. in Mem. Acad. Sci. St. Petersb. ser. 6, Sci. Nat. 2: 300. 1832.——Andropogon noto pogon Steud. Syn. Pl. Glum. 1: 373, 1854.——A. involutus Steud. et A. Obvallatus Steud. l. c. 373. 1854.——Ischaemum angustifolium (Trip.) Hack. in DC. Monogr. Phan. 6: 241. 1889.——Eulaliopsis angustifolia (Trin.) Honda in Bot. Mag. Tokyo. 38: 56. 1924.——-Pollinidium angustifolium (Trin.) Haines, Bot. Bihar Orissa, 1020. 1924.——Pollinidium binatum (Retz.) Hubb. in Kew Bull. 1932: 72. 1932.
  秆高30-80厘米，平滑无毛，在上部常分枝，一侧具纵沟，具3-5节。叶鞘除下部者外均短于节间，无毛但鞘口具细纤毛，基生的叶鞘密被白色绒毛以形成粗厚的基部；叶舌呈一圈短纤毛状，叶片狭线形，长10-30厘米，宽1-4毫米，卷摺呈细针状，很少扁平，顶生叶片甚退化，锥形，无毛，上面及边缘稍粗糙。总状花序密被淡黄褐色的绒毛，2-4枚呈指状排列，长2-4.5厘米，小穗长3.8-6毫米，基盘具乳黄色丝状柔毛，其毛长达小穗的3/4；第一颖具7-9脉，中部以下密生乳黄色丝状柔毛；第二颖稍长于第一颖，具5-9脉，先端具长0.3-2毫米的小尖头，中部以下簇生长柔毛；第一外稃长圆形，与第一颖等长；第二外稃狭长圆形，等长或稍短于第一外稃，有时有不明显的3脉，通常全缘，先端有长2-9毫米的芒，芒具不明显一回膝曲，芒针常有柔毛；第二内稃宽卵形，先端微凹。凹处有纤毛；花药长约2.5毫米，柱头帚刷状，黄褐色或紫黑色。
  产于河南、陕西、四川、云南、贵州、广西、广东等省区；生于向阳的山坡草丛中。日本、中南半岛、印度、阿富汗以及菲律宾也有分布。
  优良的纤维植物，是造纸，人造棉及人造丝的好原料。
  本种分布广而多变异，但其变异性状常多衔接，不宜强求分开成种或变种。

《Flora of China》 Vol. 22 (2006)
Eulaliopsis binata  (Retzius) C. E. Hubbard
拟金茅   ni jin mao
Andropogon binatus Retzius, Observ. Bot. 5: 21. 1789; A. involutus Steudel; A. notopogon Steudel; Eulaliopsis angusti-folia (Trinius) Honda; Pollinia eriopoda Hance; Pollinidium binatum (Retzius) C. E. Hubbard; Spodiopogon angustifolius Trinius; S. binatus (Retzius) Roberty.
Perennial; basal sheaths woolly with creamy hairs. Culms densely tufted, erect, 30–80 cm tall, nodes glabrous. Leaf sheaths glabrous, hairy at mouth; leaf blades tough, involute or rarely flat, 10–30 × 0.1–0.4 cm, uppermost very reduced, glabrous, adaxial surface and margins scabrid; ligule ca. 0.2 mm with hairs to 2 mm. Racemes 2–4, 2–5 cm, softly golden-villous; rachis internodes 2–2.5 mm, golden-villous on one or both margins, sometimes thinly. Spikelets 3.8–6 mm, yellowish; callus hairs up to 3/4 spikelet length; lower glume villous along lower margins and in tufts on back; upper glume slightly longer than lower, similarly villous, apex with a 0.3–2 mm awnlet; lower lemma narrowly oblong, equal to lower glume; upper lemma subequal to lower lemma; awn 4–9 mm. Anthers ca. 2.5 mm.
Dry mountain slopes; Guangdong, Guangxi, Guizhou, Henan, Hubei, Shaanxi, Sichuan, Taiwan, Yunnan [Afghanistan, Bhutan, India, Japan, Myanmar, Nepal, Pakistan, Philippines, Thailand].
This species is a source of fiber.