织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 野生花卉 >

五爪金龙Ipomoea cairica

时间:2013-09-05 10:51来源:未知 作者:徐晔春 点击:
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. Convo
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)
织梦二维码生成器
顶一下
(2)
100%
踩一下
(0)
0%
------分隔线----------------------------
发表评论
请自觉遵守互联网相关的政策法规,严禁发布色情、暴力、反动的言论。
评价:
表情:
用户名: 验证码:点击我更换图片
栏目列表
推荐内容