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紫藤Wisteria sinensis

时间:2018-08-13 20:16来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):紫藤 学名( Scientific Name ): Wisteria sinensis (Sims) DC. 英文名( English Common Name ): Chinese wisteria 别名( Chinese Common Name ): 异名( Synonym ): Millettia chinensis Benth. Wisteria sinensis var
中文名(Chinese Name):紫藤
学名(Scientific Name):Wisteria sinensis (Sims) DC.
英文名(English Common Name):Chinese wisteria
别名(Chinese Common Name):
异名(Synonym):Millettia chinensis Benth.  Wisteria sinensis var. multijuga auct non. Hook. f.  Glycine sinensis Lindl.  Wisteria praecox Hand.-Mazz.  Apios chinensis Spreng.  Rehsonia sinensis (Sims)Stritch  Wistaria sinensis (Sims)DC.  Rehsonia brevidentata (Rehder) Stritch 
科属(Family & Genus):蝶形花科紫藤属
形态特征(Description):落叶藤本。茎左旋,枝较粗壮,嫩枝被白色柔毛,后秃净;冬芽卵形。奇数羽状复叶长15-25厘米;托叶线形,早落;小叶3-6对,纸质,卵状椭圆形至卵状披针形,上部小叶较大,基部1对最小,长5-8厘米,宽2-4厘米,先端渐尖至尾尖,基部钝圆或楔形,或歪斜,嫩叶两面被平伏毛,后秃净;小叶柄长3-4毫米,被柔毛;小托叶刺毛状,长4-5毫米,宿存。总状花序发自去年年短枝的腋芽或顶芽,长15-30厘米,径8-10厘米,花序轴被白色柔毛;苞片披针形,早落;花长2-2.5厘米,芳香;花梗细,长2-3厘米;花萼杯状,长5-6毫米,宽7-8毫米,密被细绢毛,上方2齿甚钝,下方3齿卵状三角形;花冠细绢毛,上方2齿甚钝,下方3齿卵状三角形;花冠紫色,旗瓣 圆形,先端略凹陷,花开后反折,基部有2胼胝体,翼瓣长圆形,基部圆,龙骨瓣较翼瓣短,阔镰形,子房线形,密被绒毛,花柱无毛,上弯,胚珠6-8粒。荚果倒披针形,长10-15厘米,宽1.5-2厘米,密被绒毛,悬垂枝上不脱落,有种子1-3粒;种子褐色,具光泽,圆形,宽1.5厘米,扁平。花期4月中旬至5月上旬,果期5-8月。
分布(Distribution):产河北以南黄河长江流域及陕西、河南、广西、贵州、云南,现全国各地有栽培。
用途(Use):本种我国自古即栽培作庭园棚架植物,先叶开花,紫穗满垂缀以稀疏嫩叶,十分优美。
引自植物志英文版:FOC Vol. 10 Page 188, 189
Wisteria sinensis (Sims) Sweet, Hort. Brit. 121. 1826.
紫藤 zi teng | Fabaceae  | Wisteria
Glycine sinensis Sims, Bot. Mag. 46: t. 2083. 1819; Wis­teria alba Lindley; W. praecox Handel-Mazzetti; W. sinensis f. alba (Lindley) Rehder & E. H. Wilson; W. sinensis var. albi­flora Lemaire.
Lianas, to 25 m. Stems twined leftward, white villous when young, soon glabrescent. Leaves 7-13-foliolate; rachis 15-25 cm, including petiole 3-5 cm; leaflet blades elliptic-ovate to lanceolate-ovate, 5-8 × 2-4 cm with basal pair smallest and becoming larger apically, both surfaces appressed pubescent when young but glabrescent, base rounded to cuneate and some­what asymmetric, apex attenuate to caudate. Racemes terminal or axillary from branchlets of previous year, 15-30 × 8-10 cm, white villous. Pedicel 2-3 cm, slender. Flowers 2-2.5 cm, fra­grant. Calyx with adaxial tooth longer than others. Corolla pur­ple or occasionally white; standard orbicular, sometimes retuse, glabrous, apex truncate. Ovary tomentose, with 6-8 ovules. Leg­ume oblanceolate, 10-15 × 1.5-2 cm, tomentose, hanging on branches persistently. Seeds 1-3 per legume, brown, thickly len­ticular, ca. 1.5 cm in diam., shiny. Fl. Apr-May, fr. May-Aug. 2n = 16.
Mountain forests; 500-1800 m. Anhui, Fujian, NE Guangxi, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, S Shanxi, Zhejiang [Japan].
This species is cultivated extensively in areas beyond its native range.






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