绿叶胡枝子
分类:植物科普
绿叶胡枝子Lespedeza buergeri Miq.
绿叶胡枝子花期
绿叶胡枝子果期
直立灌木，高1-3米。枝灰褐色或淡褐色，被疏毛。托叶2，线状披针形，长2毫米；小叶卵状椭圆形，长3-7厘米，宽1.5-2.5厘米，先端急尖，基部稍尖或钝圆，上面鲜绿色，光滑无毛，下面灰绿色。密被贴生的毛。总状花序腋生，在枝上部者构成圆锥花序；苞片2长卵形，长约2毫米，褐色，密被柔毛；花萼钟状，长4毫米，5裂至中部，裂片卵状披针形或卵形，密被长柔毛；花冠淡黄绿色，长约10毫米，旗瓣近圆形，基部两侧有耳，具短柄，翼瓣椭圆状长圆形，基部有耳和瓣柄，瓣片先端有时稍带紫色，龙骨瓣倒卵状长圆形，比旗瓣稍长，基部有明显的耳和长瓣柄；雄蕊10，二体；子房有毛，花柱丝状，稍超出雄蕊，柱头头状。荚果长圆状卵形，长约15毫米，表面具网纹和长柔毛。花期6-7月，果期8-9月。
产于山西、陕西、甘肃、江苏、安徽、浙江、江西、台湾、河南、湖北、四川等省。生于海拔1 500米以下山坡、林下、山沟和路旁。朝鲜、日本也有分布。
Shrubs, erect, 1-3 m tall. Branchlets sparsely hairy. Leaves 3-foliolate; petiole 2-5 cm; leaflets ovate-elliptic, terminal one 3-7 × 1.3-2.5 cm, abaxially adpressed hairy, adaxially gla-brous, base slightly acute or obtuse-rounded, apex acute. Ra-cemes axillary or in panicles at upper part of branchlets. Calyx ca. 4 mm, 5-lobed; lobes ovate-lanceolate or ovate, densely villous. Corolla pale yellowish green, ca. 1 cm; standard nearly orbicular, base auriculate, shortly clawed; wings elliptic-oblong, base auriculate, clawed, sometimes apex slightly purple; keel obovate-oblong, slightly longer than standard, base distinctly auriculate, long clawed. Ovary hairy. Legume oblong-ovoid, ca. 1.5 cm, villous, reticulate veined. Fl. Jun-Jul, fr. Aug-Sep.
Mountain slopes, forests, roadsides, ditches; below 1500 m. An-hui, Gansu, Henan, Hubei, Jiangsu, Jiangxi, Shaanxi, Shanxi, Sichuan, Zhejiang [Japan].
