purple_milk_vetch
1. [ noun ] (botany) perennial of southern and western Europe having dense racemes of purple or violet flowers
Synonyms: Astragalus_danicus
Related terms: milk_vetch
Similar spelling:   purple_heather
  purple_velvet_plant
  purple_mullein
  purple_grackle
  purple_emperor
  purple_silkweed
  purple_boneset