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囊托羊蹄甲Bauhinia touranensis

时间:2018-08-13 20:27来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):囊托羊蹄甲 学名( Scientific Name ): Bauhinia touranensis Gagnep. 英文名( English Common Name ): 别名( Chinese Common Name ): 越南羊蹄甲 异名( Synonym ): Bauhinia genuflexa Craib Bauhinia rocheri H. Lv.
中文名(Chinese Name):囊托羊蹄甲
学名(Scientific Name):Bauhinia touranensis Gagnep.
英文名(English Common Name):
别名(Chinese Common Name):越南羊蹄甲
异名(Synonym):Bauhinia genuflexa Craib  Bauhinia rocheri H. Lév.  Phanera touranensis (Gagnep.) A. Schmitz
科属(Family & Genus):云实科,Caesalpiniaceae羊蹄甲属
形态特征(Description):木质藤本;枝与小枝初时被伏贴短柔毛,后变无毛;卷须纤细,略扁,一面被丝质柔毛。叶纸质,近圆形,长3.5-6(-7)厘米,宽4-6.5(-8)厘米,基部心形,先端分裂达叶长1/6-1/5,裂片先端圆钝,上面无毛,下面初时略被极稀疏柔毛,以后除脉上和脉腋间有锈色柔毛外其余无毛;基出脉7-9条;叶柄长1-2厘米,无毛。伞房式总状花序单生于侧枝顶,或3-4个顶生和侧生于小枝先端,长6-9厘米(包括长1.5-4厘米总花梗);总花梗、花梗和花蕾被伏贴锈色柔毛;苞片和小苞片线形,渐尖,长6-9毫米;花蕾椭圆状至近球形,花梗纤细,最下部的长达2厘米,基部有一卷须;花托与花梗相接连处常屈曲呈90°角,一侧直,他侧基部膨凸呈浅囊状;萼裂片卵形,渐尖,与花托等长;花瓣白带淡绿色,不相等,具长柄,瓣片近圆形、卵形和倒卵形,长约6毫米,背面中部被丝毛;能育雄蕊3,花丝无毛;子房长4-5毫米,缝线和子房柄均被锈色柔毛,柱头略阔,头状。荚果带状,扁平,长12-16厘米,宽3-3.5厘米,荚缝略增厚,果瓣革质。花期3-6月;果期8-10月。
分布(Distribution):产云南南部、贵州和广西西南部。生于海拔500-1000米的山地沟谷疏林或密林下及石山灌丛中。越南有分布。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 9, 20
Bauhinia touranensis Gagnepain, Notul. Syst. (Paris). 2: 181. 1912.
囊托羊蹄甲 nang tuo yang ti jia | Fabaceae  | Bauhinia
Bauhinia genuflexa Craib; B. henryi Craib; B. rocheri H. Léveillé.
Lianas, woody, with tendrils. Tendrils compressed, slen­der, pubescent on one side. Stipules caducous; petiole 1-2 cm, glabrous; leaf blade suborbicular, 3.5-6 × 4-6.5 cm, papery, abaxially thinly pubescent at first, pubescent only on veins and axils of primary veins in mature leaves, adaxially glabrous, veins 7-9, base cordate, apex bifid to 1/6-1/5, lobes obtuse or rounded at apex. Inflorescence 3 or 4 corymbose racemes, terminal on lateral branches, 6-9 cm, rusty pubescent; peduncle 1.5-4 cm, with a tendril at base; bracts and bracteoles thread­like, 6-9 mm, acuminate. Pedicel slender, lowest ones to 20 mm, rusty pubescent. Flower buds ellipsoid to globose, rusty hirsute. Receptacle cylindric, 6-10 mm, base strongly enlarged on one side and appearing bladderlike, curved at straight angles with pedicels, pubescent; calyx lobes 5, ovate, 3-5 mm, acu­minate. Petals greenish or yellowish white, suborbicular, ovate, or obovate, ca. 6 mm, abaxially hairy at middle, prominently clawed. Fertile stamens 3; filaments glabrous. Staminodes 7. Ovary stalked, 4-5 mm, pubescent on sutures and stalk; style short; stigma capitate. Legume strap-shaped, compressed, 12-16 × 3-3.5 cm, indehiscent, glabrous, sutures slightly thick­ened. Seeds ellipsoid, compressed, ca. 8 × 6 mm; testa brown. Fl. Mar-Jun, fr. Aug-Oct.
Open forests and thickets in valleys and on slopes; 500-1200 m. Guangxi, Guizhou, Yunnan [Laos, Myanmar, Vietnam].







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