1. (

• 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 ;

2. (

• fireweed ,
• Erechtites_hieracifolia

) an American weedy plant with small white or greenish flowers ;