Stems not flexuous; terminal leaflet of upper cauline leaves obovate, suborbicular, subreniform, or ovate-suborbicular; fruit valves smooth.

• 茎而不是曲折；上面茎生叶的顶生小叶倒卵形，近圆形，近肾形，近圆形或卵形；果裂爿平滑。(45