狸尾豆Uraria lagopodioides

中文名(Chinese Name):狸尾豆
学名(Scientific Name):Uraria lagopodioides (Linn.) Desv. ex DC.
英文名(English Common Name):
别名(Chinese Common Name):狸尾草
异名(Synonym):Doodia lagopodioides Roxb.  Hedysarum lagopodioides L.  Lespedeza lagopodioides (L.) Pers.  Uraria aequilobata Hosok.
科属(Family & Genus):蝶形花科,Fabaceae,狸尾豆属
形态特征(Description):平卧或开展草本,通常高可达60厘米。花枝直立或斜举,被短柔毛。叶多为3小叶,稀兼有单小叶;托叶三角形,长3毫米,宽约1毫米,先端尾尖,被灰黄色长柔和缘毛;叶柄长1-2厘米,有沟槽;小叶纸质,顶生小叶近圆形或椭圆形至卵形,长2-6厘米,宽1.5-3厘米,先端圆形或微凹,有细尖,基部圆形或心形,侧生小叶较小,上面略粗糙,下面被灰黄色短柔毛,侧脉每边5-7条,直而斜展,靠叶缘处微弯拱,两面凸起,网脉在下面明显;小托叶刚毛状,长1.5毫米;小叶柄长约2毫米,密被灰黄色短柔毛。总状花序顶生,长3-6厘米,直径1.5-2厘米,花排列紧密;苞片宽卵形,长8-10毫米,先端锥尖,密被灰色毛和缘毛,开花时脱落;花梗长4毫米,疏被白色长柔毛;花萼5裂,上部二裂片三角形,较短,长约2毫米,下部3裂片刺毛状,较上部裂片长3倍以上,被白色长柔毛,萼筒长约1毫米;花冠长约6毫米,淡紫色,旗瓣倒卵形,基部渐狭;雄蕊二体;子房无毛,有胚珠1-2。荚果小,包藏于萼内,有荚节1-2,荚节椭圆形,长约2.5毫米,黑褐色,膨胀,无毛,略有光泽。花、果期8-10月。
分布(Distribution):产福建、江西、湖南、广东、海南、广西、贵州、云南及台湾。多生于海拔1000米以下旷野坡地灌丛中。印度、缅甸、越南、马来西亚、菲律宾、澳大利亚也有。
用途(Use):全草供药用,有消肿、驱虫之效。
引自植物志英文版:FOC Vol. 10 Page 286, 287
Uraria lagopodioides (Linnaeus) Candolle, Prodr. 2: 324. 1825.
狸尾豆 li wei dou| Fabaceae  | Uraria
Hedysarum lagopodioides Linnaeus, Sp. Pl. 2: 1198. 1753; Doodia lagopodioides (Linnaeus) Roxburgh; Lespedeza lago­podioides (Linnaeus) Persoon.
Herbs, prostrate or spreading, to 60 cm tall. Leaves mostly 3-foliolate, rarely 1-foliolate; petiole 1-2 cm; terminal leaflet blade nearly orbicular or elliptic to ovate, 2-6 × 1.5-3 cm, abaxially gray-yellow pubescent, base rounded or cordate, apex rounded or emarginate. Racemes terminal, 3-6 cm, densely flowered. Pedicel ca. 4 mm, sparsely white villous. Calyx 5-parted; lower lobes ca. 2 × as long as upper ones, white villous. Corolla pale purple, ca. 6 mm; standard obovate, base attenuate. Ovary glabrous, 1- or 2-ovuled. Legume enclosed by calyx, black-brown at maturity, small; articles 1 or 2, elliptic, ca. 2.5 mm, swollen, glabrous, slightly lucid. Fl. and fr. Aug-Oct. 2n = 22.
Open waste slopes, thickets; below 1000 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Taiwan, Yunnan [Bhutan, Cambodia, India, Indonesia, Japan, Laos, Malaysia, Myanmar, Nepal, Philippines, Thailand, Vietnam; Australia, Pacific islands].
The whole plant is used medicinally for relieving swelling. It also is used as a pesticide.
"Hedysarum lagopoides" (N. L. Burman, Fl. Indica, 168. 1768) is here treated as an orthographical variant of H. lagopodioides Linnaeus.
狸尾豆Uraria lagopodioides

狸尾豆Uraria lagopodioides

狸尾豆Uraria lagopodioides

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