#red_oak__redoak  any of numerous American oaks having 4 stamens in each floret, acorns requiring two years to mature and leaf veins usually extending beyond the leaf margin to form points or bristles
  supertype:  #oak_tree__oaktree__oak  a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns"
  subtype:  #southern_red_oak__swamp_red_oak__swampredoak__turkeyoak__Quercus_falcata  large round-topped deciduous tree with spreading branches having narrow falcate leaves with deeply sinuate lobes and wood similar to that of northern red oaks; New Jersey to Illinois and southward
  subtype:  #northern_red_oak__Quercus_rubra__Quercus_borealis  large symmetrical deciduous tree with rounded crown widely distributed in eastern North America; has large leaves with triangular spiny tipped lobes and coarse-grained wood less durable than that of white oaks
  subtype:  #Shumard_oak__Shumard_red_oak__Quercus_shumardii  large deciduous red oak of southern and eastern United States having large 7- to 9-lobed elliptical leaves, large acorns and medium hard coarse-grained wood

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