ague root

Từ điển WordNet v3.1 - WordNet Dictionary

noun

colicroot having a scurfy or granuliferous perianth and white flowers;
southeastern United States
• Syn:
ague grass, Aletris farinosa
• Hypernyms:
colicroot, colic root, crow corn, star grass, unicorn root
• Member Holonyms:
Aletris, genus Aletris