- fireweed, giant willowherb, rosebay willowherb, wickup, Epilobium angustifolium - tall North American perennial with creeping rootstocks and narrow leaves and spikes of pinkish-purple flowers occurring in great abundance in burned-over areas or recent clearings; an important honey plant
--1 is a kind of willowherb
--1 is a member of Epilobium, genus Epilobium - fireweed, Erechtites hieracifolia - an American weedy plant with small white or greenish flowers
--2 is a kind of weed
--2 is a member of genus Erechtites