积雪草Centella asiatica

中文名Chinese Name):积雪草
学名Scientific Name):Centella asiatica (L.) Urb.
英文名English Common Name):spadeleaf
别名Chinese Common Name):崩大碗
异名Synonym):Hydrocotyle asiatica L.  Hydrocotyle lurida Hance  Hydrocotyle erecta Linnaeus F.  Centella asiatica var. crista Makino  Centella boninensis Nakai ex Tuyama  Centella glochidiata (Benth.) Drude  Centella hirtella Nannf.  Centella tussilaginifolia (Baker) Domin  Centella ulugurensis (Engl.) Domin  Centella uniflora (Colenso) Nannf.  Chondrocarpus asiaticus Nutt.  Chondrocarpus triflorus Nutt.  Glyceria asiatica Nutt.  Hydrocotyle asiatica var. floridana J.M. Coult. & Rose  Hydrocotyle asiatica var. monantha F.Muell.  Hydrocotyle biflora P. Vell.  Hydrocotyle brasiliensis Scheidw. ex Otto & F. Dietr.  Hydrocotyle brevipedata St. Lag.  Hydrocotyle ficarifolia Stokes  Hydrocotyle filicaulis Baker  Hydrocotyle inaequipes DC.  Hydrocotyle nummularioides A. Rich.  Hydrocotyle reniformis Walter  Hydrocotyle repanda Pers.  Hydrocotyle sylvicola E. Jacob Cordemoy  Hydrocotyle triflora Ruiz & Pav.  Hydrocotyle tussilaginifolia Baker  Hydrocotyle uniflora Colenso  Trisanthus cochinchinensis Lour.  Hydrocotyle dentata A.Rich.  Hydrocotyle hebecarpa DC.  Hydrocotyle leptostachys Spreng.  Hydrocotyle lunata Lam.  Hydrocotyle sarmentosa Salisb.  Hydrocotyle thunbergiana Spreng.  Hydrocotyle ulugurensis Engl.  Hydrocotyle wightiana Wall.
科属Family & Genus):伞形科(Umbelliferae)积雪草属
形态特征Description):多年生草本,茎匍匐,细长,节上生根。叶片膜质至草质,圆形、肾形或马蹄形,长1-2.8厘米,宽1.5-5厘米,边缘有钝锯齿,基部阔心形,两面无毛或在背面脉上疏生柔毛;掌状脉5-7,两面隆起,脉上部分叉;叶柄长1.5-27厘米,无毛或上部有柔毛,基部叶鞘透明,膜质。伞形花序梗2-4个,聚生于叶腋,长0.2-1.5厘米,有或无毛;苞片通常2,很少3,卵形,膜质,长3-4毫米,宽2.1-3毫米;每一伞形花序有花3-4,聚集呈头状,花无柄或有1毫米长的短柄;花瓣卵形,紫红色或乳白色,膜质,长1.2-1.5毫米,宽1.1-1.2毫米;花柱长约0.6毫米;花丝短于花瓣,与花柱等长。果实两侧扁压,圆球形,基部心形至平截形,长2.1-3毫米,宽2.2-3.6毫米,每侧有纵棱数条,棱间有明显的小横脉,网状,表面有毛或平滑。花果期4-10月。
分布(Distribution):分布于陕西、江苏、安徽、浙江、江西、湖南、湖北、福建、台湾、广东、广西、四川、云南等省区,喜生于海拔200-1900米阴湿的草地或水沟边。南部亚洲、大洋洲群岛、日本、非洲也有分布。
用途(Use):全草入药,清热利湿、消肿解毒,治痧氙腹痛、暑泻、痢疾、湿热黄疸、砂淋、血淋,吐、血、咳血、目赤、喉肿、风疹、疥癣、疔痈肿毒、跌打损伤等。
引自中国植物志英文版:FOC Vol. 14 Page 18   
Centella asiatica (Linnaeus) Urban in Martius, Fl. Bras. 11(1): 287. 1879.
积雪草 ji xue cao| Apiaceae  | Centella
Hydrocotyle asiatica Linnaeus, Sp. Pl. 1: 234. 1753; H. lurida Hance.
Petiole 0.5–10(–30) cm; leaf blade orbicular or reniform, 1–4.5 × 1.5–5 cm, palmate veins 5–7, prominent, both surfaces glabrous or abaxially sparsely pubescent on the veins, base broadly cordate, coarsely toothed. Peduncles 2–4, clustered axillary, 0.2–1.5 cm; bracts 2 (rarely 3), ovate, 3–4 × 2.1–3 mm, persistent in fruit; umbels 3–4-flowered, capitate. Flowers sessile or subsessile. Petals white or rose-tinged. Fruit 2.1–3 × 2.2–3.6 mm. Fl. and fr. Apr–Oct.
Shady, wet, grassy places, river margins; 200–1900 m. Anhui, Fujian, Guangdong, Guangxi, Hubei, Hunan, S Jiangsu, Jiangxi, S Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang [widespread throughout tropical and subtropical countries worldwide, Bhutan, India, Indonesia, Japan, Korea, Laos, Malaysia, Myanmar, Nepal, Pakistan, Thailand, Vietnam].
This species is similar in appearance to, and is sometimes mistaken for, Dichondra micrantha Urban (Convolvulaceae). It is sometimes eaten, and is an important herb (“ji xue cao”) of traditional Chinese medicine.
积雪草Centella asiatica

积雪草Centella asiatica

积雪草Centella asiatica
 


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