bitter cress

bitter-cress的词性：
n.（名词）

1. Any of several herbs of the genus Cardamine in the mustard family, having racemes of white, pink, or purplish flowers, usually divided leaves, and pods that dehisce explosively.
碎米荠：一种十字花科碎米荠属 的草本植物，有总状花序，开白色、粉色或紫色的花朵，通常有全裂叶和爆裂的荚