白花羊蹄甲Bauhinia acuminata
中文名（Chinese Name）：白花羊蹄甲
学名（Scientific Name）：Bauhinia acuminata Bruce
英文名（English Common Name）：
别名（Chinese Common Name）：马蹄豆
异名（Synonym）：Bauhinia linnaei Ali Bauhinia wituensis Harms Pauletia tomentosa (L.)A.Schmitz Bauhinia pubescens DC. Alvesia bauhinioides Welw. Bauhinia volkensii Taub.
科属（Family & Genus）：云实科,Caesalpiniaceae羊蹄甲属
形态特征（Description）：小乔木或灌木；小枝之字曲折，无毛。叶近革质，卵圆形，有时近圆形，长9-12厘米，宽8-12.5厘米，基部通常心形，先端2裂约达叶长的1/3-2/5,裂片先端急尖或稍渐尖，很少呈圆形，上面无毛，下面被灰色短柔毛；基出脉9-11条，与支脉及网脉在叶下面均极明显凸起；叶柄长2.5-4厘米，具沟，被短柔毛。总状花序腋生，呈伞房花序式，密集，少花(3-15朵)；总花梗短，与花序轴均略被短柔毛；苞片与小苞片线形，具线纹，被柔毛；花蕾纺锤形，长约2.5厘米，略被毛或无毛，先端渐尖，顶冠以5条长约3毫米，锥尖、被毛的萼齿；萼佛焰状，一边开裂，顶端有5枚短的细齿；花瓣白色，倒卵状长圆形，长3.5-5厘米，宽约2厘米，无瓣柄；能育雄蕊10枚，2轮，花丝长短不一，长1.5-2.5厘米，下部1/3被毛，花药长圆形，黄色；子房具长柄，略被柔毛或近无毛，花柱长15-20毫米，柱头盾状，直径3毫米。荚果线状倒披针形，扁平，直或稍弯，先端急尖，具直的喙(宿存花柱)，长6-12厘米，宽1.5厘米，内有隔膜，果颈长1厘米，果瓣革质，无毛，近腹缝处有1条隆起、锐尖的纵棱；种子5-12颗，直径8-10毫米，扁平。花期4-6月或全年；果期6-8月。
分布（Distribution）：产云南、广西及广东。印度、斯里兰卡、马来半岛、越南及菲律宾也有。
用途（Use）：
引自植物志英文版：FOC Vol. 10 Page 7, 9
Bauhinia acuminata Linnaeus, Sp. Pl. 1: 376. 1753.
白花羊蹄甲 bai hua yang ti jia | Fabaceae | Bauhinia
Shrubs or small trees, to 3 m tall. Young branches zigzag, glabrous. Petiole 2.5-4 cm, pubescent; leaf blade ovate-cordate to cordate, 9-12 × 8-12.5 cm, subleathery, abaxially grayish pubescent, adaxially glabrous, primary veins 9-11, secondary and higher order veins protruding, base cordate, apex bifid to 1/3-2/5, lobes acuminate or slightly acute at apex or rarely rounded. Inflorescence a raceme, with few (3-15) flowers, axillary, appearing cymose; peduncle short, pubescent as inflorescence axis; bracts and bracteoles linear, pubescent. Flower buds ca. 2.5 cm, acutely tapering and ending in 5 linear calyx teeth ca. 3 mm. Hypanthium tubular. Calyx spathe open on one side, shortly 5-toothed. Petals white, obovate-elliptic, 3.5-5 × ca. 2 cm, sessile. Fertile stamens 10 in 2 whorls, subequal, 1.5-2.5 cm, pubescent on lower 1/3; anthers yellow, oblong. Ovary prominently stalked, pubescent or almost glabrous; style 15-20 mm; stigma peltate, ca. 3 mm in diam. Legume straight or slightly curved, linear-oblanceolate, compressed, 6-12 × ca. 1.5 cm, with stalk ca. 1 cm, apex acuminate, beaked; valves leathery, glabrous, sharply ridged near suture. Seeds 5-12, compressed, 8-10 mm in diam. Fl. Apr-Jun, fr. Jun-Aug.
Guangdong, Guangxi, Yunnan [Cambodia, India, Indonesia, Laos, Malaysia (Peninsular), Philippines, Sri Lanka, Thailand, Vietnam].
（责任编辑：徐晔春）
学名（Scientific Name）：Bauhinia acuminata Bruce
英文名（English Common Name）：
别名（Chinese Common Name）：马蹄豆
异名（Synonym）：Bauhinia linnaei Ali Bauhinia wituensis Harms Pauletia tomentosa (L.)A.Schmitz Bauhinia pubescens DC. Alvesia bauhinioides Welw. Bauhinia volkensii Taub.
科属（Family & Genus）：云实科,Caesalpiniaceae羊蹄甲属
形态特征（Description）：小乔木或灌木；小枝之字曲折，无毛。叶近革质，卵圆形，有时近圆形，长9-12厘米，宽8-12.5厘米，基部通常心形，先端2裂约达叶长的1/3-2/5,裂片先端急尖或稍渐尖，很少呈圆形，上面无毛，下面被灰色短柔毛；基出脉9-11条，与支脉及网脉在叶下面均极明显凸起；叶柄长2.5-4厘米，具沟，被短柔毛。总状花序腋生，呈伞房花序式，密集，少花(3-15朵)；总花梗短，与花序轴均略被短柔毛；苞片与小苞片线形，具线纹，被柔毛；花蕾纺锤形，长约2.5厘米，略被毛或无毛，先端渐尖，顶冠以5条长约3毫米，锥尖、被毛的萼齿；萼佛焰状，一边开裂，顶端有5枚短的细齿；花瓣白色，倒卵状长圆形，长3.5-5厘米，宽约2厘米，无瓣柄；能育雄蕊10枚，2轮，花丝长短不一，长1.5-2.5厘米，下部1/3被毛，花药长圆形，黄色；子房具长柄，略被柔毛或近无毛，花柱长15-20毫米，柱头盾状，直径3毫米。荚果线状倒披针形，扁平，直或稍弯，先端急尖，具直的喙(宿存花柱)，长6-12厘米，宽1.5厘米，内有隔膜，果颈长1厘米，果瓣革质，无毛，近腹缝处有1条隆起、锐尖的纵棱；种子5-12颗，直径8-10毫米，扁平。花期4-6月或全年；果期6-8月。
分布（Distribution）：产云南、广西及广东。印度、斯里兰卡、马来半岛、越南及菲律宾也有。
用途（Use）：
引自植物志英文版：FOC Vol. 10 Page 7, 9
Bauhinia acuminata Linnaeus, Sp. Pl. 1: 376. 1753.
白花羊蹄甲 bai hua yang ti jia | Fabaceae | Bauhinia
Shrubs or small trees, to 3 m tall. Young branches zigzag, glabrous. Petiole 2.5-4 cm, pubescent; leaf blade ovate-cordate to cordate, 9-12 × 8-12.5 cm, subleathery, abaxially grayish pubescent, adaxially glabrous, primary veins 9-11, secondary and higher order veins protruding, base cordate, apex bifid to 1/3-2/5, lobes acuminate or slightly acute at apex or rarely rounded. Inflorescence a raceme, with few (3-15) flowers, axillary, appearing cymose; peduncle short, pubescent as inflorescence axis; bracts and bracteoles linear, pubescent. Flower buds ca. 2.5 cm, acutely tapering and ending in 5 linear calyx teeth ca. 3 mm. Hypanthium tubular. Calyx spathe open on one side, shortly 5-toothed. Petals white, obovate-elliptic, 3.5-5 × ca. 2 cm, sessile. Fertile stamens 10 in 2 whorls, subequal, 1.5-2.5 cm, pubescent on lower 1/3; anthers yellow, oblong. Ovary prominently stalked, pubescent or almost glabrous; style 15-20 mm; stigma peltate, ca. 3 mm in diam. Legume straight or slightly curved, linear-oblanceolate, compressed, 6-12 × ca. 1.5 cm, with stalk ca. 1 cm, apex acuminate, beaked; valves leathery, glabrous, sharply ridged near suture. Seeds 5-12, compressed, 8-10 mm in diam. Fl. Apr-Jun, fr. Jun-Aug.
Guangdong, Guangxi, Yunnan [Cambodia, India, Indonesia, Laos, Malaysia (Peninsular), Philippines, Sri Lanka, Thailand, Vietnam].
（责任编辑：徐晔春）
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