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龙须藤Bauhinia championii

时间:2018-08-13 20:29来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):龙须藤 学名( Scientific Name ): Bauhinia championii (Benth.) Benth. 英文名( English Common Name ): 别名( Chinese Common Name ): 乌郎藤 异名( Synonym ): Bauhinia esquirolii Gagnep. Bauhinia championii v
中文名(Chinese Name):龙须藤
学名(Scientific Name):Bauhinia championii (Benth.) Benth.
英文名(English Common Name):
别名(Chinese Common Name):乌郎藤
异名(Synonym):Bauhinia esquirolii Gagnep.  Bauhinia championii var. yingtakensis (Merr. et Metc.) T. Chen  Lasiobema hunanense (Hand.-Mazz.) de Wit  Bauhinia championii var. acutifolia L. Chen  Bauhinia hunanensis Hand.-Mazz.  Bauhinia yintakensis Merr. et F. P. Metcalf  Phanera championii Benth.  Bauhinia bonii Gagnep.  Bauhinia lecomtei Gagnep.  Bauhinia gnomon Gagnep.  Lasiobema championii (Benth.) de Wit
科属(Family & Genus):云实科,Caesalpiniaceae羊蹄甲属
形态特征(Description):藤本,有卷须;嫩枝和花序薄被紧贴的小柔毛。叶纸质,卵形或心形,长3-10厘米,宽2.5-6.5(-9)厘米,先端锐渐尖、圆钝、微凹或2裂,裂片长度不一,基部截形、微凹或心形,上面无毛,下面被紧贴的短柔毛,渐变无毛或近无毛,干时粉白褐色;基出脉5-7条;叶柄长1-2.5厘米,纤细,略被毛。总状花序狭长,腋生,有时与叶对生或数个聚生于枝顶而成复总状花序,长7-20厘米,被灰褐色小柔毛;苞片与小苞片小,锥尖;花蕾椭圆形,长2.5-3毫米,具凸头,与萼及花梗同被灰褐色短柔毛;花直径约8毫米;花梗纤细,长10-15毫米;花托漏斗形,长约2毫米;萼片披针形,长约3毫米;花瓣白色,具瓣柄,瓣片匙形,长约4毫米,外面中部疏被丝毛;能育雄蕊3,花丝长约6毫米,无毛;退化雄蕊2;子房具短柄,仅沿两缝线被毛,花柱短,柱头小。荚果倒卵状长圆形或带状,扁平,长7-12厘米,宽2.5-3厘米,无毛,果瓣革质;种子2-5颗,圆形,扁平,直径约12毫米。花期6-10月;果期7-12月。
分布(Distribution):产浙江、台湾、福建、广东、广西、江西、湖南、湖北和贵州。生于低海拔至中海拔的丘陵灌丛或山地疏林和密林中。印度、越南和印度尼西亚有。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 8, 13
Bauhinia championii (Bentham) Bentham, Fl. Hongk. 99. 1861.
龙须藤 long xu teng | Fabaceae  | Bauhinia
Phanera championii Bentham, Hooker’s J. Bot. Kew Gard. Misc. 4: 78. 1852 ["championi"]; Bauhinia championii var. acutifolia L. Chen; B. championii var. yingtakensis (Merrill & F. P. Metcalf) T. C. Chen; B. hunanensis Handel-Mazzetti; B. yingtakensis Merrill & F. P. Metcalf; Lasiobema championii (Bentham) de Wit; L. hunanensis (Handel-Mazzetti) de Wit.
Lianas, with tendrils. Young branches and inflorescences puberulent. Stipules caducous; petiole 1-2.5 cm, slender; leaf blade ovate or cordate, 3-10 × 2.5-9 cm, papery to leathery, abaxially pubescent when young, pubescent or glabrous when old, adaxially glabrous, primary veins 5-9, base truncate to cor­date; leaves on flowering branches entire with apex acute, ob­tuse, or emarginate, while those on sterile branches or juvenile branches usually deeply bilobed; lobes acute, acuminate, or ob­tuse at apex. Inflorescence a solitary raceme or several racemes joined in a panicle, terminal or axillary, 7-25 cm; bracts and bracteoles small. Pedicel 10-15 mm, slender. Flower buds ellip­soid, 2.5-3 mm; open flowers ca. 8 mm in diam. Receptacle funnelform, ca. 2 mm; calyx lobes 5, lanceolate, ca. 3 mm. Pet­als white, spatulate, 4-6 mm, outside pubescent along midvein, clawed. Fertile stamens 3; filaments ca. 6 mm, glabrous. Staminodes 2. Ovary shortly stalked, hairy on sutures; style short; stigma small. Legume obovoid-oblong, compressed, 7-12 × 2.5-3 cm, glabrous; valves leathery. Seeds 2-5, orbicular, compressed, ca. 12 mm in diam. Fl. Jun-Oct, fr. Jul-Dec. 2n = 28*.
Open or dense forests, thickets; low to middle elevations. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Tai­wan, Yunnan, Zhejiang [Vietnam].




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