purple avens is a noun meaning "North American perennial with hairy basal pinnate leaves and purple flowers and plume-tipped fruits". It carries 2 recorded senses.
North American perennial with hairy basal pinnate leaves and purple flowers and plume-tipped fruits
erect perennial of north temperate zone having pinnate leaves and a few nodding flowers with a brown-purple calyx and orange and pink petals
Definitions, synonyms and semantic relations for purple avens come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.