五爪金龙Ipomoea cairica
中文名（Chinese Name）：五爪金龙
学名（Scientific Name）：Ipomoea cairica (L.) Sweet
英文名（English Common Name）：mile a minute vine
别名（Chinese Common Name）：五爪龙、牵牛藤
异名（Synonym）：Convolvulus cairicus L. Convolvulus tuberculatus Desr. Ipomoea palmata Forssk. Ipomoea stipulacea Jacquem. Ipomoea cairica var. hederacea Hallier f. Ipomoea cairica var. lineariloba (Hbd.) O. Deg. & van Ooststr. Batatas cavanillesii (Roem. & Schult.) G. Don Batatas senegalensis G. Don Convolvulus cavanillesii (Roem. & Schult.) Spreng. Convolvulus limphaticus Vell. Ipomoea cavanillesii Roem. & Schult. Ipomoea funaria Larra?aga Ipomoea rosea var. pluripartita Hassl. Ipomoea senegalensi Lam. Ipomoea vesiculosa P. Beauv.
科属（Family & Genus）：旋花科（Convolvulaceae）番薯属
形态特征（Description）：多年生缠绕草本，全体无毛，老时根上具块根。茎细长，有细棱，有时有小疣状突起。叶掌状5深裂或全裂，裂片卵状披针形、卵形或椭圆形，中裂片较大，长4-5厘米，宽2-2.5厘米，两侧裂片稍小，顶端渐尖或稍钝，具小短尖头，基部楔形渐狭，全缘或不规则微波状，基部1对裂片通常再2裂；叶柄长2-8厘米，基部具小的掌状5裂的假托叶（腋生短枝的叶片）。聚伞花序腋生，花序梗长2-8厘米，具1-3花，或偶有3朵以上；苞片及小苞片均小，鳞片状，早落；花梗长0.5-2厘米，有时具小疣状突起；萼片稍不等长，外方2片较短，卵形，长5-6毫米，外面有时有小疣状突起，内萼片稍宽，长7-9毫米，萼片边缘干膜质，顶端钝圆或具不明显的小短尖头；花冠紫红色、紫色或淡红色、偶有白色，漏斗状，长5-7厘米；雄蕊不等长，花丝基部稍扩大下延贴生于花冠管基部以上，被毛；子房无毛，花柱纤细，长于雄蕊，柱头2球形。蒴果近球形，高约1厘米，2室，4瓣裂。种子黑色，长约5毫米，边缘被褐色柔毛。
分布（Distribution）：原产热带亚洲及非洲，在台湾、福建、广东、广西及云南已归化，生于海拔90-610米的平地或山地路边灌丛。
用途（Use）：块根供药用，外敷热毒疮，有清热解毒之效。广西用叶治痈疮，果治跌打。
引自中国植物志英文版FOC Vol. 16 Page 309
Ipomoea cairica (Linnaeus) Sweet, Hort. Brit., ed. 1. 287. 1827.
五爪金龙 wu zhao jin long| Convolvulaceae | Ipomoea
Herbs perennial, twining, with a tuberous root; axial parts ?glabrous. Stems to 5 m, thinly angular, ± tuberculate or smooth. Petiole 2-8 cm, base with leafy pseudostipules; leaf blade palmately 5-parted to base; lobes entire or minutely undulate, apex acute or obtuse, mucronulate, basal pair usually again lobed or parted; middle lobe larger, ovate, ovate-lanceolate, or elliptic, (2.5-)4-5 X (0.5-)2-2.5 cm. Inflorescences 1- or several flowered; peduncle 2-8 cm; bracts and bracteoles early deciduous, squamiform, small. Pedicel 0.5-2 cm, sometimes verruculose. Sepals unequal; outer 2 sepals 4-6.5 mm; inner ones 5-9 mm, glabrous, abaxially ± verruculose, margin paler, scarious. Corolla pink, purple, or reddish purple, with a darker center, rarely white, funnelform, (2.5-)5-7 cm. Stamens included, unequal. Ovary glabrous. Stigma 2-lobed. Capsule ± globose, ca. 1 cm. Seeds black, ca. 5 mm, densely tomentose, margin with longer hairs. 2n = 30*.
Origin unknown, now distributed nearly pantropically: Africa, Asia, Pacific Islands, South America
（责任编辑：徐晔春）
学名（Scientific Name）：Ipomoea cairica (L.) Sweet
英文名（English Common Name）：mile a minute vine
别名（Chinese Common Name）：五爪龙、牵牛藤
异名（Synonym）：Convolvulus cairicus L. Convolvulus tuberculatus Desr. Ipomoea palmata Forssk. Ipomoea stipulacea Jacquem. Ipomoea cairica var. hederacea Hallier f. Ipomoea cairica var. lineariloba (Hbd.) O. Deg. & van Ooststr. Batatas cavanillesii (Roem. & Schult.) G. Don Batatas senegalensis G. Don Convolvulus cavanillesii (Roem. & Schult.) Spreng. Convolvulus limphaticus Vell. Ipomoea cavanillesii Roem. & Schult. Ipomoea funaria Larra?aga Ipomoea rosea var. pluripartita Hassl. Ipomoea senegalensi Lam. Ipomoea vesiculosa P. Beauv.
科属（Family & Genus）：旋花科（Convolvulaceae）番薯属
形态特征（Description）：多年生缠绕草本，全体无毛，老时根上具块根。茎细长，有细棱，有时有小疣状突起。叶掌状5深裂或全裂，裂片卵状披针形、卵形或椭圆形，中裂片较大，长4-5厘米，宽2-2.5厘米，两侧裂片稍小，顶端渐尖或稍钝，具小短尖头，基部楔形渐狭，全缘或不规则微波状，基部1对裂片通常再2裂；叶柄长2-8厘米，基部具小的掌状5裂的假托叶（腋生短枝的叶片）。聚伞花序腋生，花序梗长2-8厘米，具1-3花，或偶有3朵以上；苞片及小苞片均小，鳞片状，早落；花梗长0.5-2厘米，有时具小疣状突起；萼片稍不等长，外方2片较短，卵形，长5-6毫米，外面有时有小疣状突起，内萼片稍宽，长7-9毫米，萼片边缘干膜质，顶端钝圆或具不明显的小短尖头；花冠紫红色、紫色或淡红色、偶有白色，漏斗状，长5-7厘米；雄蕊不等长，花丝基部稍扩大下延贴生于花冠管基部以上，被毛；子房无毛，花柱纤细，长于雄蕊，柱头2球形。蒴果近球形，高约1厘米，2室，4瓣裂。种子黑色，长约5毫米，边缘被褐色柔毛。
分布（Distribution）：原产热带亚洲及非洲，在台湾、福建、广东、广西及云南已归化，生于海拔90-610米的平地或山地路边灌丛。
用途（Use）：块根供药用，外敷热毒疮，有清热解毒之效。广西用叶治痈疮，果治跌打。
引自中国植物志英文版FOC Vol. 16 Page 309
Ipomoea cairica (Linnaeus) Sweet, Hort. Brit., ed. 1. 287. 1827.
五爪金龙 wu zhao jin long| Convolvulaceae | Ipomoea
Herbs perennial, twining, with a tuberous root; axial parts ?glabrous. Stems to 5 m, thinly angular, ± tuberculate or smooth. Petiole 2-8 cm, base with leafy pseudostipules; leaf blade palmately 5-parted to base; lobes entire or minutely undulate, apex acute or obtuse, mucronulate, basal pair usually again lobed or parted; middle lobe larger, ovate, ovate-lanceolate, or elliptic, (2.5-)4-5 X (0.5-)2-2.5 cm. Inflorescences 1- or several flowered; peduncle 2-8 cm; bracts and bracteoles early deciduous, squamiform, small. Pedicel 0.5-2 cm, sometimes verruculose. Sepals unequal; outer 2 sepals 4-6.5 mm; inner ones 5-9 mm, glabrous, abaxially ± verruculose, margin paler, scarious. Corolla pink, purple, or reddish purple, with a darker center, rarely white, funnelform, (2.5-)5-7 cm. Stamens included, unequal. Ovary glabrous. Stigma 2-lobed. Capsule ± globose, ca. 1 cm. Seeds black, ca. 5 mm, densely tomentose, margin with longer hairs. 2n = 30*.
Origin unknown, now distributed nearly pantropically: Africa, Asia, Pacific Islands, South America
（责任编辑：徐晔春）
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