别名：Manila grass;马尼拉草;马尼拉;马尼拉芝;半细叶结缕草;

科名：禾本科 Gramineae

属名：结缕草属 Zoysia

《中国植物志》第10(1)卷129页
  4. 沟叶结缕草（种子植物名录）
  Zoysia matrella (L.) Merr．in Philip. Journ. Sci. Bot．7: 20．1912 et in Lingn. Sci. Journ. 5: 28．1927; Hitchc. Man. Grass. Unit. Stat．464. 1933; Ohwi in Acta Phytotax. et Geobot. 10: 268. 1941;中国主要植物图说 禾本科736. 图683. 1959；Bor, Grass. Burm. Ceyl. Ind. et Pakist. 684. 1960;台湾的禾草449．图120. 1975；海南植物志4: 395. 图1203，1977．——Agrostis matrella L. Mant. Pl. 2: 185. 1767.——Osterdamia matrella (L.)．Kuntze, Rev. Gen. Pl. 2: 781．1891．—— Osterdamia zoysia Honda in Bot．Mag. Tokyo 36: 113. 1922．——Zoysia serrulata Mez in Fed de， Repert. Sp. Nov. 17: 146．1921；Merr. in Lingn. Sci. Journ. 5: 29. 1927．
  多年生草本。具横走根茎，须根细弱。秆直立，高12-20厘米，基部节间短，每节具一至数个分枝。叶鞘长于节间，除鞘口具长柔毛外，余无毛；叶舌短而不明显，顶端撕裂为短柔毛；叶片质硬，内卷，上面具沟，无毛，长可达3厘米，宽1-2毫米，顶端尖锐。总状花序呈细柱形，长2-3厘米，宽约2毫米；小穗柄长约1.5毫米，紧贴穗轴；小穗长2-3毫米，宽约1毫米，卵状披针形，黄褐色或略带紫褐色；第一颖退化，第二颖革质，具3（5）脉，沿中脉两侧压扁；外稃膜质，长2-2.5毫米，宽约1毫米；花药长约1.5毫米。颖果长卵形，棕褐色，长约1.5毫米。染色体2n=40。花果期7-10月。
  产台湾、广东、海南；生于海岸沙地上。亚洲和大洋洲的热带地区亦有分布。模式标本采自印度。

《Flora of China》 Vol. 22 (2006)
Zoysia matrella  (Linnaeus) Merrill
沟叶结缕草   gou ye jie lü cao
Agrostis matrella Linnaeus, Mant. Pl. 2: 185. 1771; Zoysia pungens Willdenow; Z. serrulata Mez; Z. tenuifolia Thiele.
Perennial, stoloniferous, mat-forming, also with shallow underground rhizomes. Culms up to 20 cm tall. Leaf sheaths glabrous, bearded at mouth with 4–5 mm hairs; leaf blades flat or involute, tough, suberect to spreading, 3–8 cm, 1.5–2.5 mm wide, glabrous or adaxial surface thinly pilose, apex acute. Inflorescence linear, 2–4 × 0.2–0.3 cm, exserted above leaves; spikelets 10–30, loosely overlapping; rachis somewhat wavy; pedicels shorter than spikelet, 1–3 mm, widened at apex. Spikelets 2–3 × ca. 1 mm, yellowish brown or purplish brown; lower glume usually absent; upper glume lanceolate, 5-veined, midrib prominent, sometimes scabrous toward apex, lateral veins obscure, apex obtuse; lemma oblong-ovate, 2–2.5 mm, obscurely 3-veined, midvein sometimes shortly excurrent; palea lanceolate, 1/2 as long as lemma. Anthers 1–1.5 mm. Caryopsis ca. 1.5 mm. Fl. and fr. Jul–Oct. 2n = 20, 40.
Coastal sands. Guangdong, Hainan, Taiwan [India, Indonesia, Japan (S Kyushu and Ryukyu Islands), Malaysia, Philippines, Sri Lanka, Thailand, Vietnam].
This species forms natural hybrids with Zoysia sinica.

Zoysia matrella is a good sand-binding and lawn grass.