科名：禾本科 Gramineae

属名：钝叶草属 Stenotaphrum

《中国植物志》第10(1)卷385页
  2.锥穗钝叶草（禾本科图说）
  Stenotaphrum subulatum Trin. in Men. Acad. Sci. St, Petersb. VI. Sci. Nat. 3: 190. 1834;中国主要植物图说 禾本科720. 图670. 1959;中国高等植物图鉴5: 867. 1976. in Clav.
  多年生草本。秆下部平卧，上部直立，节着土生根和抽出花枝，花枝高约35厘米。叶鞘松弛，长于节间，边缘一侧具毛；叶舌微小，具长约1毫米的纤毛；叶片披针形，扁平，长4-8厘米，宽5-10毫米，顶端尖，无毛。花序主轴圆柱状，长6-14厘米，径2-3毫米，坚硬，无翼；穗状花序嵌生于主轴的凹穴内，长5-10毫米，具（2-）3-4小穗，穗轴边缘及小穗基部有细毛，顶端延伸于顶生小穗之上而成一小尖头；小穗长圆状披针形，一面扁平，一面凸起，长约3毫米；两颖膜质，微小，长为小穗的1/5-1/4，第二颖略长，脉不明显，顶端钝圆或近截平；第一外稃厚纸质，与小穗等长，具2脊，脊间扁平，主脉两侧具细纵沟；那二外稃与小穗等长，顶端尖而几无毛，平滑。花期春季。
  产我国西沙群岛；多生于路边、沙滩或林下。太平洋诸岛屿及大洋洲也有分布。模式标本产于大洋洲的马里牙岛。

《Flora of China》 Vol. 22 (2006)
Stenotaphrum micranthum  (Desvaux) C. E. Hubbard
锥穗钝叶草   zhui sui dun ye cao
Ophiurinella micrantha Desvaux, MΘm. Soc. Agric. Angers 1: 179. 1831; Stenotaphrum diplotaphrum Pilger; S. lep-turoides Henslow; S. subulatum Trinius.
Annual. Culms decumbent at base, up to 35 cm tall. Leaf sheaths rounded, ciliate along one margin; leaf blades lanceolate, 4–8 × 0.5–1 cm, glabrous or pubescent, apex sharply acuminate; ligule ca. 1 mm. Inflorescence 6–14 cm, slender, cylindrical; axis 1.5–2.5 mm wide; racemes 5–10 mm, sunk in depressions on opposite sides of the axis, bearing (1–)3–6 spikelets; raceme rachis stoutly triquetrous, ciliolate along margins. Spikelets oblong-lanceolate, 2.5–3.5 mm, obtuse to subacute, falling entire; glumes membranous, 1/5–1/4 as long as spikelet or upper glume slightly longer, truncate; lower floret neuter, lemma cartilaginous, flat, enclosing fertile floret in inflorescence axis, 3-veined, grooved on either side of midvein, margins inflexed at lateral veins, lower palea absent; upper lemma papery, subequal to spikelet, smooth, acute. Fl. and fr. spring.
Coral islands on coastal sands, understory of littoral woodlands. South China Sea Islands (Xisha Qundao) [small islands around New Guinea; Australia (Great Barrier Reef Islands), Coral Sea Islands, Indian Ocean Islands, Pacific Islands (Polynesia); probably introduced to E Africa (Tanzania)].