#oak_tree__oaktree__oak  a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns"
  supertype:  tree  a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
  subtype:  live_oak  white_oak  European_turkey_oak  scarlet_oak  jack_oak  red_oak  holm_tree  shingle_oak  bluejack_oak  California_black_oak  American_turkey_oak  laurel_oak  overcup_oak  scrub_oak  Japanese_oak  chestnut_oak  water_oak  Nuttall_oak  pin_oak  willow_oak  post_oak  cork_oak  Spanish_oak  Chinese_cork_oak  black_oak
  part:  acorn
  substance:  oak
  member of:  genus_Quercus__Quercus  oaks
     member of:  family_Fagaceae__Fagaceae__beech_family__beechfamily  chiefly monoecious trees and shrubs: beeches; chestnuts; oaks; genera Castanea; Castanopsis; Chrysolepis; Fagus; Lithocarpus; Nothofagus; Quercus
        member of:  order_Fagales__Fagales  an order of dicotyledonous trees of the subclass Hamamelidae
           member of:  subclass_Hamamelidae__Hamamelidae  a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder
              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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