#buckthorn.shrub  a shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments
  supertype:  #shrub__bush  a low woody perennial plant usually having several major branches
  subtype:  #cascara_buckthorn  #Carolina_buckthorn  #coffeeberry  #alder_buckthorn  #redberry
  part:  #buckthorn_berry
  member of:  #genus_Rhamnus__Rhamnus  type genus of the Rhamnaceae: buckthorns
     member of:  #family_Rhamnaceae__Rhamnaceae__buckthorn_family__buckthornfamily  trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value
        member of:  #order_Rhamnales__Rhamnales  an order of dicotyledonous plants
           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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