三点金Desmodium triflorum

中文名(Chinese Name):三点金
学名(Scientific Name):Desmodium triflorum (L.) DC.
英文名(English Common Name):threeflower ticktrefoil
别名(Chinese Common Name):三点金草、蝇翅草
异名(Synonym):Hedysarum triflorum L.  Meibomia triflora f. flavescens Kuntze  Meibomia triflora f. virescens Kuntze  Hedysarum stipulaceum Burm. f.  Aeschynomene triflora Poir.  Hedysarum biflorum Willd. ex Wall.  Meibomia triflora f. violacea Kuntze  Sagotia triflora (L.) Duchass. et Walp.  Nicolsonia triflora (L.) Griseb.  Meibomia triflora (L.) Kuntze  Meibomia triflora var. glabrescens f. coerulescens Kuntze  Meibomia triflora var. glabrescens f. purpurea Kuntze  Meibomia triflora var. glabrescens f. violacea Kuntze  Meibomia triflora var. pilosa Kuntze  Hippocrepis humilis Blanco  Desmodium bullamense G.Don  Desmodium granulatum Walp.  Desmodium triflorum var. adpressum Ohwi  Desmodium triflorum var. minus Wight & Arn.  Desmodium triflorum var. pygmaeum Hoehne  Desmodium triflorum var. villosum Wight & Arn.  Meibomia triflora var. glabrescens Kuntze  Desmodium triflorum var. triflorum   Desmodium triflorum var. minimus Stehle  Meibomia triflora f. coerulescens Kuntze  Meibomia triflora f. purpurea Kuntze
科属(Family & Genus):蝶形花科,Fabaceae,山蚂蟥属
形态特征(Description):多年生草本平卧,高10-50厘米。茎纤细,多分枝,被开展柔毛;根茎木质。叶为羽状三出复叶,小叶3;托叶披针形,膜质,长3-4毫米,宽1-1.5毫米,外面无毛,边缘疏生丝状毛;叶柄长约5毫米,被柔毛;小叶纸质,顶生小叶倒心形,倒三角形或倒卵形,长和宽约为2.5-10毫米,先端宽截平而微凹入,基部楔形,上面无毛,下面被白色柔毛,老时近无毛,叶脉每边4-5条,不达叶缘;小托叶狭卵形,长0.5-0.8毫米,被柔毛;小叶柄长0.5-2毫米,被柔毛。花单生或2-3朵簇生于叶腋;苞片狭卵形,长约4毫米,宽约1.3毫米,外面散生贴伏柔毛;花梗长3-8毫米,结果时延长达13毫米,全部或顶部有开展柔毛;花萼长约3毫米,密被白色长柔毛,5深化裂,裂片狭披针形,较萼筒长;花冠紫红色,与萼近相等,旗瓣倒心形,基部渐狭,具长瓣柄,翼瓣椭圆形,具短瓣柄,龙骨瓣略呈镰刀形,较冀瓣长,弯曲,具长瓣柄;雄蕊二体;雌蕊长约4毫米,子房线形,多少被毛,花柱内弯,无毛。荚果扁平,狭长圆形,略呈镰刀状,长5-12毫米,宽2.5毫米,腹缝线直,背缝线波状,有荚节3-5,荚节近方形,长2-2.5毫米,被钩状短毛,具网脉。花、果期6-10月。
分布(Distribution):产浙江、福建、江西、广东、海南、广西、云南、台湾等省区。生于海拔180-570米旷野草地、路旁或河边沙土上。印度、东南亚、太平洋群岛、大洋洲和美洲热带地区也有。
用途(Use):全草入药,有解表、消食之效。
引自植物志英文版:FOC Vol. 10 Page 269, 276
Desmodium triflorum (Linnaeus) Candolle, Prodr. 2: 334. 1825.
三点金 san dian jin| Fabaceae  | Desmodium
Hedysarum triflorum Linnaeus, Sp. Pl. 2: 749. 1753; Des­modium triflorum var. adpressum Ohwi.
Herbs, perennial, prostrate, 10-50 cm tall, spreading pu­bescent. Leaves 3-foliolate; petiole ca. 5 mm; terminal leaflet blade obcordate, obtriangular, or obovate, 2.5-10 × 2.5-10 mm, base cuneate, apex truncate, slightly emarginate. Flowers soli-tary or 2 or 3 in leaf axils. Pedicel 3-8 mm, elongated to 1.3 cm at fruiting. Calyx densely villous, 5-parted; lobes narrowly lan-ceolate, longer than tube. Corolla purple-red, nearly as long as calyx; standard obcordate, base attenuate, long clawed; wings elliptic, shortly clawed; keel slightly falcate, longer than wings, curved, long clawed. Stamens diadelphous. Legume narrowly oblong, slightly falcate, flat, 5-12 × ca. 2.5 mm, lower suture undulate, upper suture straight, 3-5-jointed; articles nearly quad­rate, with short, hooked hairs, reticulate veined. Fl. and fr. Jun-Oct. 2n = 22.
Wastelands, grasslands, roadsides, riversides, sandy soils; 200-600 m. Fujian, Guangdong, Guangxi, Hainan, Jiangxi, Taiwan, Yunnan, Zhejiang [Cambodia, India, Laos, Malaysia, Myanmar, Nepal, Sri Lanka, Thailand, Vietnam; tropics of Africa, Americas, SW Asia, Australia, Pacific islands].
The whole plant is used medicinally for inducing sweat and pro­moting digestion.
三点金Desmodium triflorum

三点金Desmodium triflorum

三点金Desmodium triflorum(责任编辑:徐晔春)

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