purple avens

Noun

• erect perennial of north temperate zone having pinnate leaves and a few nodding flowers with a brown-purple calyx and orange and pink petals

• North American perennial with hairy basal pinnate leaves and purple flowers and plume-tipped fruits

Related words

• Synonyms: 
  water avens , Indian chocolate , chocolate root , Geum rivale , prairie smoke , Geum triflorum