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洋紫荆Bauhinia variegata

时间:2018-08-14 07:58来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):洋紫荆 学名( Scientific Name ): Bauhinia variegata L. 英文名( English Common Name ): mountain ebony 别名( Chinese Common Name ): 宫粉羊蹄甲、红紫荆 异名( Synonym ): Bauhinia variegata var. chinensis DC
中文名(Chinese Name):洋紫荆
学名(Scientific Name):Bauhinia variegata L.
英文名(English Common Name):mountain ebony
别名(Chinese Common Name):宫粉羊蹄甲、红紫荆
异名(Synonym):Bauhinia variegata var. chinensis DC.  Phanera variegata (L.) Benth.  Perlebia varigata (L.) A. Schmitz  Bauhinia decora L. Uribe  Bauhinia chinensis Vogel
科属Family & Genus):云实科,Caesalpiniaceae羊蹄甲属
形态特征Description):落叶乔木;树皮暗褐色,近光滑;幼嫩部分常被灰色短柔毛;枝广展,硬而稍呈之字曲折,无毛。叶近革质,广卵形至近圆形,宽度常超过于长度,长5-9厘米,宽7-11厘米,基部浅至深心形,有时近截形,先端2裂达叶长的1/3,裂片阔,钝头或圆,两面无毛或下面略被灰色短柔毛;基出脉(9-)13条;叶柄长2.5-3.5厘米,被毛或近无毛。总状花序侧生或顶生,极短缩,多少呈伞房花序式,少花,被灰色短柔毛;总花梗短而粗;苞片和小苞片卵形,极早落;花大,近无梗;花蕾纺锤形;萼佛焰苞状,被短柔毛,一侧开裂为一广卵形、长2-3厘米的裂片;花托长12毫米;花瓣倒卵形或倒披针形,长4-5厘米,具瓣柄,紫红色或淡红色,杂以黄绿色及暗紫色的斑纹,近轴一片较阔;能育雄蕊5,花丝纤细,无毛,长约4厘米;退化雄蕊1-5,丝状,较短;子房具柄,被柔毛,尤以缝线上被毛较密,柱头小。荚果带状,扁平,长15-25厘米,宽1.5-2厘米,具长柄及喙;种子10-15颗,近圆形,扁平,直径约1厘米。花期全年,3月最盛。
分布(Distribution):产我国南部,印度、中南半岛也有分布。
用途(Use):花美丽而略有香味,花期长,生长快,为良好的观赏及蜜源植物,在热带、亚热带地区广泛栽培。木材坚硬,可作农具;树皮含单宁;根皮用水煎服可治消化不良;花芽、嫩叶和幼果可食。
引自植物志英文版:FOC Vol. 10 Page 7, 9, 10     
Bauhinia variegata Linnaeus, Sp. Pl. 1: 375. 1753.
洋紫荆 yang zi jing | Fabaceae  | Bauhinia
Trees, deciduous, to 15 m tall. Bark dark brownish, nearly smooth; branches gray puberulent when young, later glabrous. Petiole 2.5-3.5 cm; leaf blade suborbicular or broadly ovate, 5-9 × 7-11 cm, subleathery, abaxially almost glabrous, adaxially glabrous, primary veins 9-13, secondary and higher order veins protruding, base shallowly to deeply cordate, apex bifid to 1/3, lobes rounded at apex. Inflorescence a raceme, few flowered, sometimes corymblike, axillary or terminal. Flower buds fusi­form, smooth, subsessile. Calyx open as a spathe into 2 lobes. Petals white, or with pink or purplish spots, obovate or oblan­ceolate, 4-5 cm, clawed. Fertile stamens 5; filaments ca. as long as petals, slender. Staminodes 1-5 and small, or ?absent. Ovary stalked, puberulent; style curved; stigma small. Legume linear, flat, 15-25 × 1.5-2 cm; valves woody. Seeds 10-15, com­pressed, suborbicular, ca. 10 mm in diam. Fl. Feb-May, fr. Mar-Jul. 2n = 28.
Tropical forests, also cultivated; 1000-1500 m. Native in S Yun­nan (Xishuangbanna); widely cultivated in S China [Cambodia, Laos, Myanmar, Thailand, Vietnam; widely cultivated in the tropics and sub­tropics].






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