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孪叶羊蹄甲Bauhinia didyma

时间:2018-08-13 20:29来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):孪叶羊蹄甲 学名( Scientific Name ): Bauhinia didyma L. Chen 英文名( English Common Name ): 别名( Chinese Common Name ): 二裂片羊蹄甲、飞机藤 异名( Synonym ): 科属( Family Genus ): 豆科(Leguminosae
中文名(Chinese Name):孪叶羊蹄甲
学名(Scientific Name):Bauhinia didyma L. Chen
英文名(English Common Name):
别名(Chinese Common Name):二裂片羊蹄甲、飞机藤
异名(Synonym):
科属(Family & Genus):云实科,Caesalpiniaceae羊蹄甲属
形态特征(Description):藤本,除花梗基部和腋芽略被红色短柔毛外全株无毛;枝纤细,稍呈之字曲折;卷须单生,纤细。叶膜质,分裂至近基部,裂片斜倒卵形,长12-24毫米,宽9-16毫米,先端圆钝,基部截平,除下面基部脉腋间有红色短髯毛外两面无毛;基出脉每裂片3条,网脉密集,在两面明显凸起;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,多花;总花梗长1厘米以下;苞片和小苞片锥尖,长1.5-4毫米;花蕾椭圆形,长约5毫米;花托长10-12毫米,具线纹;萼片阔卵形或披针形,开花时反折;花瓣白色,阔倒卵形,具短柄,连柄长约9毫米,宽约6毫米,外面近基部略被丝质疏柔毛;能育雄蕊3枚,花丝长约1厘米;退化雄蕊3-5枚;子房无毛,具短柄,花柱短,柱头盘状。荚果带状长圆形,扁平而薄,长约10厘米,宽约2:5厘米,两荚缝略加厚,果瓣革质,有不显著的网纹。
分布(Distribution):产广东和广西。生于海拔100米的山腰灌丛中或300-500米的山谷溪边疏林中。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 7, 20
Bauhinia didyma L. Chen, J. Arnold Arbor. 19: 131. 1938.
孪叶羊蹄甲 luan ye yang ti jia| Fabaceae  | Bauhinia
Lianas, woody, with tendrils; whole plant glabrous except for pedicel base and leaf buds. Twigs slightly zigzag, slender; tendrils solitary, slender. Leaves 2-foliolate; stipules caducous; petiole 1-2 cm, slender, glabrous; leaf blade 12-24 × 9-16 mm, membranous, abaxially thinly pubescent on axils of primary veins, adaxially glabrous, veins 3 per lobe, veins dense, salient on both surfaces, base truncate; lobes obliquely obovate, apex obtuse or rounded. Inflorescence corymbose-racemose, termi­nal on lateral branches, many flowered; peduncle more than 1 cm; bracts and bracteoles linear, 1.5-4 mm. Pedicel 1-3 cm, slender. Flower buds ellipsoid, ca. 5 mm. Receptacle cylindric, 10-12 mm; calyx lobes 5, reflexed, broadly ovate or lanceolate. Petals white, broadly obovate, ca. 9 × 6 mm, abaxially hairy near base, shortly clawed. Fertile stamens 3; filaments ca. 1 cm, glabrous. Staminodes 3-5. Ovary shortly stalked, glabrous; style short; stigma disciform. Legume strap-shaped, com­pressed, ca. 10 × 2.5 cm, tardily dehiscent, glabrous, sutures slightly thickened. Seeds ellipsoid, compressed, ca. 6 × 4 mm; testa brown. Fl. Aug-Dec, fr. Sep-Feb.
● Open forests, thickets; 100-500 m. Guangdong, Guangxi.






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