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首冠藤Bauhinia corymbosa

时间:2018-08-13 20:29来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):首冠藤 学名( Scientific Name ): Bauhinia corymbosa Roxb. ex DC. 英文名( English Common Name ): 别名( Chinese Common Name ): 深裂叶羊蹄甲 异名( Synonym ): Phanera corymbosa Benth. 科属( Family Genus )
中文名(Chinese Name):首冠藤
学名(Scientific Name):Bauhinia corymbosa Roxb. ex DC.
英文名(English Common Name):
别名(Chinese Common Name):深裂叶羊蹄甲
异名(Synonym):Phanera corymbosa Benth.
科属(Family & Genus):云实科,Caesalpiniaceae羊蹄甲属
形态特征(Description):木质藤本;嫩枝、花序和卷须的一面被红棕色小粗毛;枝纤细,无毛;卷须单生或成对。叶纸质,近圆形,长和宽2-3(-4)厘米,或宽度略超干长度,自先端深裂达叶长的3/4,裂片先端圆,基部近截平或浅心形,两面无毛或下面基部和脉上被红棕色小粗毛;基出脉7条;叶柄纤细,长1-2厘米。伞房花序式的总状花序顶生于侧枝上,长约5厘米,多花,具短的总花梗;苞片和小苞片锥尖,长约3毫米;花芳香;花蕾卵形,急尖,与纤细的花梗同被红棕色小粗毛;花托纤细,长18-25毫米;萼片长约6毫米,外面被毛,开花时反折;花瓣白色,有粉红色脉纹,阔匙形或近圆形,长8-11毫米,宽6-8毫米,外面中部被丝质长柔毛,边缘皱曲,具短瓣柄;能育雄蕊3枚,花丝淡红色,长约1厘米;退化雄蕊2-5枚;子房具柄,无毛,柱头阔,截形。荚果带状长圆形,扁平,直或弯曲,长10-16(-25)厘米,宽1.5-2.5厘米,具果颈,果瓣厚革质;种子十余颗,长圆形,长8毫米,褐色。花期4-6月;果期9-12月。
分布(Distribution):产广东、海南。生于山谷疏林中或山坡阳处。世界热带、亚热带地区有栽培供观赏。
用途(Use):引自植物志英文版:FOC Vol. 10 Page 8, 19
Bauhinia corymbosa Roxburgh ex Candolle, Mém. Légum. 487. 1825.
首冠藤 shou guan teng | Fabaceae  | Bauhinia
Lianas, woody, with tendrils. Young branches, inflores­cences, and one side of tendrils rusty hirsutulous; twigs slender, glabrous; tendrils solitary or in pairs. Stipules caducous, small; petiole 1-2 cm, slender; leaf blade suborbicular, 2-4 × 2-5 cm, papery, abaxially rusty pubescent on veins and near base, adaxially glabrous, veins 7, base cordate to truncate, apex bifid to 3/4 or more on flowering branches, lobes rounded at apex. Inflorescence corymbose-racemose or elongated racemose, ter­minal on lateral branches, ca. 5 cm, many flowered; peduncle short; bracts and bracteoles linear, ca. 3 mm. Pedicel slender. Flower buds ovoid, rusty pubescent, acute. Receptacle cylin­dric, 18-25 mm, slender; calyx lobes 5, reflexed, lanceolate, ca. 6 mm, outside pubescent. Petals white, with pink stripes, broadly spatulate or suborbicular, 8-11 × 6-8 mm, abaxially hairy at middle, shortly clawed, margin crisped, apex rounded. Fertile stamens 3; filaments pinkish, ca. 10 mm, glabrous. Sta­minodes 2-5. Floral disk not fleshy. Ovary stalked, glabrous; style stout; stigma peltate. Legume straight or curved, strap-shaped or oblong, compressed, 10-25 × 1.5-2.5 cm, tardily dehiscent, glabrous; valves slightly thickened. Seeds oblong, ca. 8 × 4-6 mm. Fl. Apr-Aug, fr. Jun-Dec.
Open forests in valleys, sunny slopes. ?Fujian, Guangdong, Guangxi, Hainan [Vietnam].






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