purple avens
n 1: North American perennial with hairy basal pinnate leaves and
purple flowers and plume-tipped fruits [syn: {prairie
smoke}, {Geum triflorum}]
2: erect perennial of north temperate zone having pinnate
leaves and few nodding flowers with brown-purple calyx and
orange-pink petals [syn: {water avens}, {Indian chocolate},
{chocolate root}, {Geum rivale}]