易混淆的单词： Sanguinaria

Bloodroot : a perennial wildflower ( sanguinaria canadensis ) , native to forests in eastern north america and having a fleshy rootstock exuding a poisonous red sap , a single lobed leaf , and a solitary white flower in early spring .

血根草:一种多年生的野生植物(美洲血根草),原产于北美洲东部的森林,根茎鲜艳,叶汁红色且有毒,叶单生,早春开白色单花。