cowbane

cow.bane

n.（名词）
A perennial North American herb(Oxypolis rigidior) having pinnately compound leaves and umbels of small white flowers.
毒牛芹：一种生长于北美洲的多年生草本植物（毒牛芹） ，生有羽状的复叶，开伞状小白花
Any of several related plants, such as the water hemlock.
毒芹：任一种类似植物，如毒芹