#willow_tree__willow  any of numerous deciduous trees and shrubs of the genus Salix
  supertype:  tree  a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
  subtype:  osier  white_willow  silver_willow  cricket-bat_willow  arctic_willow  Babylonian_weeping_willow  Wisconsin_weeping_willow  pussy_willow  sallow  peachleaf_willow  hoary_willow  crack_willow  prairie_willow  dwarf_willow  gray_willow  arroyo_willow  shining_willow  swamp_willow  bay_willow  balsam_willow  creeping_willow  Sitka_willow  dwarf_gray_willow  bearberry_willow
  member of:  genus_Salix__Salix  a large and widespread genus varying in size from small shrubs to large trees: willows
     member of:  family_Salicaceae__Salicaceae__willow_family  two genera of trees or shrubs having hairy catkins: Salix; Populus
        member of:  order_Salicales__Salicales  coextensive with the family Salicaceae
           member of:  class_Dicotyledones__Dicotyledones__Dicotyledonae__class_Dicotyledonae__Magnoliopsida__class_Magnoliopsida  comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
              member of:  class_Angiospermae__Angiospermae__Magnoliophyta__division_Magnoliophyta__Anthophyta__division_Anthophyta  comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)
                 member of:  division_Spermatophyta__Spermatophyta  seed plants; comprises the Angiospermae (or Magnoliophyta) and Gymnospermae (or Gymnospermophyta); in some classification systems Spermatophyta is coordinate with Pteridophyta (spore producing plants having vascular tissue and roots) and Bryophyta (spore producing plants lacking vascular tissue and roots)
                    member of:  kingdom_Plantae__Plantae__plant_kingdom__plantkingdom  taxonomic kingdom comprising all living or extinct plants

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