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.

synonyms: Epilobium angustifolium, giant willowherb, rosebay willowherb, wickup.

Polish: wierzbówka kiprzyca

An American weedy plant with small white or greenish flowers.

synonym: Erechtites hieracifolia.

Polish: erechtites