Sect. Macrolespedeza Maxim. (Leguminosae)
组1．大胡枝子组 Sect. Macrolespedeza Maxim. in Act. Hort. Petrop. 2:346. 1873, ut Subgen. Lespedeza Sect. macrolespedeza; Nakai in Bull. For. Exp. Stat. Chosen 6:7. 1927.
形态特征：无闭锁花，花通常紫红色，稀淡黄绿色或白色。小叶大，卵形，倒卵形、卵状长圆形、倒披针形或倒心形。果大，卵形或倒卵形，稍扁。