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Noun: giant willowherb
  1. 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
    - fireweed, rosebay willowherb, wickup, Epilobium angustifolium

Derived forms: giant willowherbs

Type of: willowherb

Part of: Epilobium, genus Epilobium