Tribulus terestris

Từ điển WordNet v3.1 - WordNet Dictionary

noun

tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets;
serious pasture weed
• Syn:
caltrop, devil's weed
• Hypernyms:
subshrub, suffrutex
• Member Holonyms:
Tribulus, genus Tribulus