Any of certain perennial herbs of the genus Aletris in the lily family, especially A.farinosa of eastern North America, having racemes of small white flowers and rootstocks formerly used in medicine to treat colic.

• 绞痛根一种百合科粉条儿菜属多年生草本植物，特别是北美粉条儿菜，产于北美东部，长有白色小花的总状花序，根茎最初用于药中治疗疝痛