胡枝子Lespedeza bicolor
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.
（责任编辑：徐晔春）
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.
（责任编辑：徐晔春）
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