#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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