假俭草Eremochloa ophiuroides

中文名(Chinese Name): 假俭草
学名(Scientific Name):Eremochloa ophiuroides (Munro) Hack.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Eremochloa ophiuroides var. longifolia Hayata  Ischaemum ophiuroides Munro  Eremochloa ciliaris ophiuroides var. longifolia Hayata  Andropogon ophiuroides (Munro) F.Muell.
科属(Family & Genus):禾本科(Gramineae)蜈蚣草属Eremochloa
形态特征(Description):多年生草本,具强壮的匍匐茎。秆斜升,高约20厘米。叶鞘压扁,多密集跨生于秆基,鞘口常有短毛;叶片条形,顶端钝,无毛,长3-8厘米,宽2-4毫米,顶生叶片退化。总状花序顶生,稍弓曲,压扁,长4-6厘米,宽约2毫米,总状花序轴节间具短柔毛。无柄小穗长圆形,覆瓦状排列于总状花序轴一侧,长约3.5毫米,宽约1.5毫米;第一颖硬纸质,无毛,5-7脉,两侧下部有篦状短刺或几无刺,顶端具宽翅;第二颖舟形,厚膜质,3脉;第一外稃膜质,近等长;第二小花两性,外稃顶端钝;花药长约2毫米;柱头红棕色。有柄小穗退化或仅存小穗柄,披针形,长约3毫米,与总状花序轴贴生。花果期夏秋季。
分布(Distribution):产于江苏、浙江、安徽、湖北、湖南、福建、台湾、广东、广西、贵州等省区;生于潮湿草地及河岸、路旁。中南半岛也有分布。
用途(Use):本种匍匐茎强壮,蔓延力强而迅速,可作饲料或铺建草皮及保土护堤之用。
引自中国植物志英文版FOC Vol. 22 Page 645
Eremochloa ophiuroides (Munro) Hackel in A. Candolle & C. Candolle, Monogr. Phan. 6: 261. 1889.
假俭草 jia jian cao  | Poaceae  | Eremochloa
Ischaemum ophiuroides Munro, Proc. Amer. Acad. Arts 4: 363. 1860; Eremochloa ophiuroides var. longifolia Hayata.
Perennial, stoloniferous, mat-forming. Culms decumbent, rooting and branching, flowering shoots 15–30 cm tall. Leaf sheaths keeled, overlapping at base, hairy at mouth; leaf blades flat, (1–)3–10 × 0.2–0.4 cm, usually glabrous, apex obtuse; ligule 0.2–5 mm, margin ciliate. Raceme erect or slightly curved, 4–6 cm; rachis internodes narrowly oblong-clavate, glabrous, ca. 2.5 mm. Sessile spikelet 3.5–4 mm; lower glume oblong, ± leathery, shiny, glabrous, 5–7-veined, marginal spines very inconspicuous, short along incurving lower keels or reduced to knobs, apex acute but appearing broadly truncate because of flanking membranous wings. Pedicelled spikelet vestigial or absent; pedicel ± leaflike, ellipsoid-subulate. Fl. and fr. Jun–Oct. 2n = 18.
Moist meadows, hillsides, especially on clay soils; 200–1200 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Zhejiang [Vietnam].
This species is occasionally used as a lawn grass in warm regions, especially in the SE United States (Centipede Grass).
假俭草Eremochloa ophiuroides(责任编辑:徐晔春)

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