blue cohosh

blue-cohosh的词性：
n.（名词）

1. A perennial herb (Caulophyllum thalictroides) of eastern North America, having a ternately compound leaf, small yellow-green or purplish flowers, and blue berrylike seeds.
蓝籽类叶牡丹：北美东部产的一种多年生草本植物（蓝籽红毛七 红毛七属） ，有三出复叶、黄绿色或紫色小花和类似蓝莓的种子