科名：禾本科 Gramineae

属名：油芒属 Eccoilopus

《中国植物志》第10(2)卷062页
  2. 台湾油芒（台湾的禾草）
  Eccoilopus formosanus (Rendle) A. Camus in Ann. Soc. Linn. Lyon. 70: 93. 1923; Honda in Journ. Fac. Sci. Univ. Tokyo (Bot.) 3: 398. 1930; Ohwi in Acta Phytotax. et Geobot. 11: 153. 1942; Hsu in Taiwan. 16: 317. 1971: 台湾的禾草675, 图233. 1975; 台湾植物志5: 644-1978.——Spodiopogon formosanus Rendle in Journ. Linn. Soc. Bot. 36: 251. 1904; Hayata, Ic. Pl. Formos. 7: 70. 1918.——Ecciolopus formosanus var. tohoensis (Hayata) Honda in Bot. Mag. Tokyo 30: 69, 267. 1925;台湾植物志5: 644. 1978.——Spodiopogon tohoensis Hayata, l. c. 7: 69, f. 38. 1918. ——Eccoilopus taiwanicus Honda in Bot. Mag. Tokvo 56: 15. 1942.
  多年生，具粗壮根状茎。秆直立，高80-120厘米，直径约3.5毫米，木质化，常一侧具沟槽。叶鞘与节间近等长，除鞘口具长柔毛外余无毛；叶舌膜质，长2-3毫米；叶片线状披针形，长20-40厘米，宽10-15毫米，无毛，基部狭窄成柄状。圆锥花序卵形，开展，长5-15厘米，宽约5厘米，分枝轮生，中部以下裸露，具6-10节；小穗柄无毛短柄长约1毫米，长柄较短于小穗，顶端膨大，具短毛；小穗披针形，长4-5毫米；第一颖革质，卵形，具7-9脉，顶端具短尖头，疏生纤毛，第二颖具7脉，中脉伸出成小尖头，两侧疏生柔毛，边缘膜质，内卷，具纤毛；第一小花中性，第一外稃椭圆形，长2-3毫米，具等长而较其窄的内稃；第二外稃长圆形，顶端2探裂，裂片间伸出长1-5毫米不外露的短芒；第二内稃长为其外稃的1/3；花药长约2.5毫米。花果期夏秋季。
  特产于我国台湾；生于低海拔山地阳坡。模式标本采自台湾台东（Taitung）。

《Flora of China》 Vol. 22 (2006)
Spodiopogon formosanus  Rendle
台湾油芒   tai wan you mang
Eccoilopus formosanus (Rendle) A. Camus; E. formosa-nus var. tohoensis (Hayata) Honda; E. taiwanicus Honda; E. tohoensis (Hayata) A. Camus; Spodiopogon kawakamii Hayata; S. kawakamii var. sativus Honda; S. tohoensis Hayata.
Perennial, shortly rhizomatous. Culms erect, 60–130 cm tall, 2.5–5 mm in diam., unbranched. Leaf sheaths glabrous, mouth tuberculate-hispid; leaf blades linear-lanceolate, 20–50 × 1–1.5 cm, glabrous, abaxial surface smooth, adaxial surface scabrid, base narrowed, lower blades pseudopetiolate, apex acute; ligule 2–3 mm. Panicle open, ovate in outline, 5–15 cm; branches 3–6 cm, distal part branched; racemes 1–3-noded, articulation lines present, not bearded, not disarticulating at maturity, spikelets of a pair both pedicellate; rachis internodes 2–4 mm; pedicels unequal, clavate upward, shorter pedicel stout. Spikelets 4–5 mm, plump; callus hairs 0.2–0.5 mm; lower glume broadly lanceolate, glabrous to hispid, veins smooth except near apex, apex emarginate, minutely mucronate; upper glume with mucro to 0.5 mm; lower floret sterile; upper lemma 2-lobed in upper 1/3; awn 0–5 mm. Anthers 2–3 mm. Fl. and fr. summer–autumn.
* Dry mountain slopes; 1000–2000 m. Taiwan.
This species has been cultivated as a grain crop in the uplands of Taiwan.