willowherb : Idioms & Phrases
giant willowherb
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       noun 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
       
       
giant willowherb; wickup; Epilobium angustifolium; fireweed.
 
WordNet
hairy willowherb
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       noun plant of Europe and Asia having purplish-red flowers and hairy stems and leaves; introduced into North America
       
       
codlins-and-cream; Epilobium hirsutum.
 
WordNet
rosebay willowherb
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       noun 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
       
       
giant willowherb; wickup; Epilobium angustifolium; fireweed.