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胡枝子Lespedeza bicolor

时间:2018-08-14 08:14来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):胡枝子 学名( Scientific Name ): Lespedeza bicolor Turcz. 英文名( English Common Name ): shrub lespedeza 别名( Chinese Common Name ): 异名( Synonym ): Lespedeza bicolor f. pendula S. L. Tung et Z. Lu Le
中文名(Chinese Name):胡枝子
学名(Scientific Name):Lespedeza bicolor Turcz.
英文名(English Common Name):shrub lespedeza
别名(Chinese Common Name):
异名(Synonym):Lespedeza bicolor f. pendula S. L. Tung et Z. Lu  Lespedeza bicolor var. japonica Nakai
科属(Family & Genus):蝶形花科,Fabaceae胡枝子属
形态特征(Description):直立灌木,高1-3米,多分枝,小枝黄色或暗褐色,有条棱,被疏短毛;芽卵形,长2-3毫米,具数枚黄褐色鳞片。羽状复叶具3小叶;托叶2枚,线状披针形,长3-4.5毫米;叶柄长2-7(-9)厘米;小叶质薄,卵形、倒卵形或卵状长圆形,长1.5-6厘米,宽1-3.5厘米,先端钝圆或微凹,稀稍尖,具短刺尖,基部近圆形或宽楔形,全缘,上面绿色,无毛,下面色淡,被疏柔毛,老时渐无毛。总状花序腋生,比叶长,常构成大型、较疏松的圆锥花序;总花梗长4-10厘米;小苞片2,卵形,长不到1厘米,先端钝圆或稍尖,黄褐色,被短柔毛;花梗短,长约2毫米,密被毛;花萼长约5毫米,5浅裂,裂片通常短于萼筒,上方2裂片合生成2齿,裂片卵形或三角状卵形,先端尖,外面被白毛;花冠红紫色,极稀白色(var. alba Bean),长约10毫米,旗瓣倒卵形,先端微凹,翼瓣较短,近长圆形,基部具耳和瓣柄,龙骨瓣与旗瓣近等长,先端钝,基部具较长的瓣柄;子房被毛。荚果斜倒卵形,稍扁,长约10毫米,宽约5毫米,表面具网纹,密被短柔毛。花期7-9月,果期9-10月。
分布(Distribution):我国大部分省区有产,生于海拔150-1000米的山坡、林缘、路旁、灌丛及杂木林间。朝鲜、日本、俄罗斯也有。
用途(Use):种子油可供食用或作机器润滑油;叶可代茶;枝可编筐。性耐旱,是防风、固沙及水土保持植物,为营造防护林及混交林的伴生树种。
引自植物志英文版:FOC Vol. 10 Page 303, 306
Lespedeza bicolor Turczaninow, Bull. Soc. Imp. Natural­istes Moscou. 13: 69. 1840.
胡枝子 hu zhi zi | Fabaceae  | Lespedeza
Lespedeza bicolor var. japonica Nakai; L. bicolor f. pen­dula S. L. Tung & Z. Lu; L. ionocalyx Nakai; L. veitchii Ricker.
Shrubs, erect, 1-3 m tall, much branched. Branchlets sparsely pubescent. Leaves 3-foliolate; petiole 2-7(-9) cm; leaflets abaxially pale green, adaxially green, ovate, obovate, or ovate-oblong, terminal one 1.5-6 × 1-3.5 cm, abaxially pilose, adaxially glabrous, base subrounded or broadly cuneate, apex obtuse-rounded or emarginate, mucronate. Racemes axillary, longer than leaves, often branched in large lax panicles; pedun­cle 4-10 cm. Pedicel ca. 2 mm, densely hairy. Calyx ca. 5 mm, 5-lobed; lobes shorter than tube. Corolla reddish purple, ca. 1 cm; standard obovate, apex emarginate; wings suboblong, short, base auriculate, clawed; keel subequal to standard, base long clawed, apex obtuse. Ovary hairy. Legume obliquely obovoid, slightly flat, ca. 10 × 5 mm, densely pubescent, reticulate veined. Fl. Jul-Sep, fr. Sep-Oct. 2n = 22*.
Mountain slopes, forest margins, roadsides, thickets, forests; 100-1000 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Hebei, Heilong­jiang, Henan, Hunan, Jiangsu, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, Zhejiang [Japan, Korea, ?Mongolia, Russia].
The seed oil is used as a lubricant, the leaves as a tea substitute, and the branchlets for making baskets. Because this species tolerates arid soils, it is grown as a windbreak and for sand stabilization and soil conservation.




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