链荚豆Alysicarpus vaginalis
中文名（Chinese Name）：链荚豆
学名（Scientific Name）：Alysicarpus vaginalis (L.) DC.
英文名（English Common Name）：white moneywort
别名（Chinese Common Name）：水咸草
异名（Synonym）：Alysicarpus vaginalis var. diversifolius (L.) DC. Alysicarpus nummalarifolius sensu auct. Alysicarpus nummularifolius var. angustatus Ohwi Alysicarpus vaginalis var. typicus King
科属（Family & Genus）：蝶形花科,Fabaceae,链荚豆属
形态特征（Description）：多年生草本，簇生或基部多分枝；茎平卧或上部直立，高30-90厘米，无毛或稍被短柔毛。叶仅有单小叶；托叶线状披针形，干膜质，具条纹，无毛，与叶柄等距或稍长；叶柄长5-14毫米，无毛；小叶形状及大小变化很大，茎上部小叶通常为卵状长圆形、长圆状披针形至线状披针形，长3-6.5厘米，宽1-2厘米，下部小叶为心形、近圆形或卵形，长1-3厘米，宽约1厘米，上面无毛，下面稍被短柔毛，全缘，侧脉4-5条（-9条），稍清晰。总状花序腋生或顶生，长1.5-7厘米，有花6-12朵，成对排列于节上，节间长2-5毫米；苞片膜质，卵状披针形，长5-6毫米；花梗5长3-4毫米；花萼膜质，比第一个荚节稍长，长5-6毫米，5裂，裂片较萼筒长；花冠紫蓝色，略伸出于萼外，旗瓣宽，倒卵形；子房被短柔毛，有胚珠4-7。荚果扁圆柱形，长1.5-2.5厘米，宽2-2.5毫米，被短柔毛，有不明显皱纹，荚节4-7，荚节间不收缩，但分界处有略隆起线环。花期9月，果期9-11月。
分布（Distribution）：产福建、广东、海南、广西、云南及台湾等省区。多生于海拔100-700米空旷草坡、早田边、路旁或海边沙地。广布于东半球热带地区。
用途（Use）：为良好绿肥植物，亦可作饲料；全草入药，治刀伤、骨折。
引自植物志英文版：FOC Vol. 10 Page 290, 291
Alysicarpus vaginalis (Linnaeus) Candolle, Prodr. 2: 353. 1825.
链荚豆 lian jia dou| Fabaceae | Alysicarpus
Herbs, perennial. Stem erect or procumbent, 30-90 cm tall, glabrous or slightly pubescent. Leaves 1-foliolate; petiole 5-14 mm, glabrous; blade often ovate-oblong or oblong-lanceolate to lanceolate, to 6.5 × 1-2 cm on upper stem, cordate, nearly orbicular, or ovate, 1-3 × ca. 1 cm on lower stem, abaxially slightly pubescent, adaxially glabrous. Racemes axillary or terminal, 1.5-7 cm, 6-12-flowered, binate at each node; internodes 2-5 mm. Pedicel 3-4 mm. Calyx 5-6 mm, slightly longer than first article of legume. Corolla red, reddish purple, purplish blue, or yellow, slightly longer than calyx, ca. 5 mm; standard obovate. Ovary pubescent, 4-7-ovuled. Legume compressed, cylindric, 1.5-2.5 cm × 2-2.5 mm, pubescent, 4-7-jointed, not constricted between articles, with raised linear ridges. Seeds ellipsoidal, slightly compressed. Fl. Sep, fr. Sep-Nov. 2n = 14, 16.
Open grassy slopes, roadsides, sandy seashores, grasslands in parks; 100-700 m. Fujian, Guangdong, Guangxi, Hainan, Taiwan, Yunnan [Cambodia, India, Indonesia, Japan, Laos, Malaysia, Nepal, Philippines, Sri Lanka, Thailand, Vietnam; E and W Africa, throughout Old World tropics; introduced in the Neotropics].
It is grown for green manure and used as a forage. The whole plant is used medicinally for treating sword wounds and bone fractures.
（责任编辑：徐晔春）
学名（Scientific Name）：Alysicarpus vaginalis (L.) DC.
英文名（English Common Name）：white moneywort
别名（Chinese Common Name）：水咸草
异名（Synonym）：Alysicarpus vaginalis var. diversifolius (L.) DC. Alysicarpus nummalarifolius sensu auct. Alysicarpus nummularifolius var. angustatus Ohwi Alysicarpus vaginalis var. typicus King
科属（Family & Genus）：蝶形花科,Fabaceae,链荚豆属
形态特征（Description）：多年生草本，簇生或基部多分枝；茎平卧或上部直立，高30-90厘米，无毛或稍被短柔毛。叶仅有单小叶；托叶线状披针形，干膜质，具条纹，无毛，与叶柄等距或稍长；叶柄长5-14毫米，无毛；小叶形状及大小变化很大，茎上部小叶通常为卵状长圆形、长圆状披针形至线状披针形，长3-6.5厘米，宽1-2厘米，下部小叶为心形、近圆形或卵形，长1-3厘米，宽约1厘米，上面无毛，下面稍被短柔毛，全缘，侧脉4-5条（-9条），稍清晰。总状花序腋生或顶生，长1.5-7厘米，有花6-12朵，成对排列于节上，节间长2-5毫米；苞片膜质，卵状披针形，长5-6毫米；花梗5长3-4毫米；花萼膜质，比第一个荚节稍长，长5-6毫米，5裂，裂片较萼筒长；花冠紫蓝色，略伸出于萼外，旗瓣宽，倒卵形；子房被短柔毛，有胚珠4-7。荚果扁圆柱形，长1.5-2.5厘米，宽2-2.5毫米，被短柔毛，有不明显皱纹，荚节4-7，荚节间不收缩，但分界处有略隆起线环。花期9月，果期9-11月。
分布（Distribution）：产福建、广东、海南、广西、云南及台湾等省区。多生于海拔100-700米空旷草坡、早田边、路旁或海边沙地。广布于东半球热带地区。
用途（Use）：为良好绿肥植物，亦可作饲料；全草入药，治刀伤、骨折。
引自植物志英文版：FOC Vol. 10 Page 290, 291
Alysicarpus vaginalis (Linnaeus) Candolle, Prodr. 2: 353. 1825.
链荚豆 lian jia dou| Fabaceae | Alysicarpus
Herbs, perennial. Stem erect or procumbent, 30-90 cm tall, glabrous or slightly pubescent. Leaves 1-foliolate; petiole 5-14 mm, glabrous; blade often ovate-oblong or oblong-lanceolate to lanceolate, to 6.5 × 1-2 cm on upper stem, cordate, nearly orbicular, or ovate, 1-3 × ca. 1 cm on lower stem, abaxially slightly pubescent, adaxially glabrous. Racemes axillary or terminal, 1.5-7 cm, 6-12-flowered, binate at each node; internodes 2-5 mm. Pedicel 3-4 mm. Calyx 5-6 mm, slightly longer than first article of legume. Corolla red, reddish purple, purplish blue, or yellow, slightly longer than calyx, ca. 5 mm; standard obovate. Ovary pubescent, 4-7-ovuled. Legume compressed, cylindric, 1.5-2.5 cm × 2-2.5 mm, pubescent, 4-7-jointed, not constricted between articles, with raised linear ridges. Seeds ellipsoidal, slightly compressed. Fl. Sep, fr. Sep-Nov. 2n = 14, 16.
Open grassy slopes, roadsides, sandy seashores, grasslands in parks; 100-700 m. Fujian, Guangdong, Guangxi, Hainan, Taiwan, Yunnan [Cambodia, India, Indonesia, Japan, Laos, Malaysia, Nepal, Philippines, Sri Lanka, Thailand, Vietnam; E and W Africa, throughout Old World tropics; introduced in the Neotropics].
It is grown for green manure and used as a forage. The whole plant is used medicinally for treating sword wounds and bone fractures.
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