purple avens

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. erect perennial of north temperate zone having pinnate leaves and a few nodding flowers with a brown-purple calyx and orange and pink petals
• Syn:
water avens, Indian chocolate, chocolate root, Geum rivale
• Hypernyms:
avens
2. North American perennial with hairy basal pinnate leaves and purple flowers and plume-tipped fruits
• Syn:
prairie smoke, Geum triflorum
• Hypernyms:
avens