rosebay

noun

• 1 (also rosebay willowherb) a tall willowherb with pink flowers, native to north temperate regions and often spreading on burnt ground.

  • Epilobium (or Chamaenerion) angustifolium, family Onagraceae

• 2North American a rhododendron.

  • Genus Rhododendron, family Ericaceae: several species, in particular Lapland rosebay (R. lapponicum), a dwarf shrub of northern latitudes