The genus Lespedeza (Leguminosae) has about 60 species distributing from east Asia to northeast of Australia and in north America.

• 豆科胡枝子属Lespedeza Michx,植物约60余种，分布于东亚至澳大利亚东北部及北美，具有润肺清热、利水通淋、健脾祛湿的功效。