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云南羊蹄甲Bauhinia yunnanensis

时间:2018-08-13 20:26来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):云南羊蹄甲 学名( Scientific Name ): Bauhinia yunnanensis Franch. 英文名( English Common Name ): Yunnan bauhinia 别名( Chinese Common Name ): 异名( Synonym ): Lasiobema yunnanensis (Franch.) A. Schmitz
中文名(Chinese Name):云南羊蹄甲
学名(Scientific Name):Bauhinia yunnanensis Franch.
英文名(English Common Name):Yunnan bauhinia
别名(Chinese Common Name):
异名(Synonym):Lasiobema yunnanensis (Franch.) A. Schmitz  Bauhinia collettii Prain  Bauhinia diptera Collett & Hemsl.  Bracteolanthus dipterus (Miq.)de Wit  Phanera collettii (Prain)Thoth.  Phanera diptera (Miq.)Miq.  Bauhinia altefissa H.Lev.
科属(Family & Genus):云实科,Caesalpiniaceae羊蹄甲属
形态特征(Description):藤本,无毛;枝略具棱或圆柱形;卷须成对,近无毛。叶膜质或纸质,阔椭圆形,全裂至基部,弯缺处有一刚毛状尖头,基部深或浅心形,裂片斜卵形,长2-4.5厘米,宽1-2.5厘米,两端圆钝,上面灰绿色,下面粉绿色,具3-4脉。总状花序顶生或与叶对生,长8-18厘米,有10-20朵花;小苞片2枚,对生于花梗中部,与苞片均早落;花梗长2-3厘米;花直径2.5-3.5厘米;花托圆筒形,长7-8毫米;萼簷二唇形,裂片椭圆形和卵圆形,顶端具小齿;花瓣淡红色,匙形,长约17毫米,顶部两面有黄色柔毛,上面3片各有3条玫瑰红色纵纹,下面2片中心各有1条纵纹;能育雄蕊3,不育雄蕊7,很短;子房无毛,有长柄,柱头头状。荚果带状长圆形,扁平,长8-15厘米,宽1.5-2厘米,顶端具短喙,开裂后荚瓣扭曲;种子阔椭圆形至长圆形,扁平,长7-9毫米,种皮黑褐色,有光泽。花期8月;果期10月。
分布(Distribution):产云南、四川和贵州。生于海拔400-2000米的山地灌丛或悬崖石上。缅甸和泰国北部也有分布。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 7, 14
Bauhinia yunnanensis Franchet, Pl. Delavay. 190. 1890.
云南羊蹄甲 yun nan yang ti jia | Fabaceae  | Bauhinia
Bauhinia altefissa H. Léveillé, p.p.; B. diptera Collett & Hemsley (1890), not Blume ex Miquel (1850); Lasiobema yunnanensis (Franchet) A. Schmitz.
Lianas, woody, slender, glabrous. Branches angulate or cylindric; tendrils in pairs, subglabrous. Leaves 2-foliolate; stip­ules caducous; petiole 1.5-2.5 cm; leaf blade broadly elliptic, membranous or papery, both surfaces glabrous, primary veins 3 or 4 per lobe, base deeply or shallowly cordate, apex bifid to upper pulvinus with a free mucro; lobes obliquely ovate, 2-4.5 × 1-2.5 cm, apex obtuse or rounded. Inflorescence a raceme, terminal or opposite to leaves, 8-18 cm, 10-20-flowered; bracts caducous; bracteoles inserted at middle of pedicel. Pedicel 2-3 cm. Flower buds narrowly ellipsoid. Receptacle cylindric, 7-8 mm; calyx lobes split into 2 parts upon anthesis, cucullate, elliptic-ovate, with teeth at apex. Petals pinkish, with dark red stripes on veins, spatulate, ca. 17 mm, subglabrous, clawed. Fertile stamens 3; filaments curved, pinkish; anthers ovoid. Staminodes 7, much reduced. Ovary glabrous, prominently stalked; style slender; stigma capitate. Legume linear-oblong, 8-15 × 1.5-2 cm, apex beaked; valves leathery. Seeds broadly elliptic-oblong, compressed, 7-9 mm; testa blackish, shiny. Fl. Aug, fr. Oct.
Thickets on hills; 400-2000 m. Guizhou, Sichuan, Yunnan [Myanmar, N Thailand].





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