1. coarse prickly perennial eryngo with aromatic roots; southeastern United States; often confused with rattlesnake master; [syn: button snakeroot, Eryngium aquaticum]
WordNet (r) 3.0 (2006):
Eryngium aquaticum
n 1: coarse prickly perennial eryngo with aromatic roots;
southeastern United States; often confused with rattlesnake
master [syn: button snakeroot, Eryngium aquaticum]