oak tree

1. A deciduous tree of the genus Quercus;
   Has acorns and lobed leaves (synset 112288763)
   "great oaks grow from little acorns"
   is a type of: tree - a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
   subtypes:

   • live oak - any of several American evergreen oaks
   • white oak - any of numerous Old World and American oaks having 6 to 8 stamens in each floret, acorns that mature in one year and leaf veins that never extend beyond the margin of the leaf
   • european turkey oak, quercus cerris, turkey oak - large deciduous tree of central and southern Europe and Asia Minor having lanceolate leaves with spiked lobes
   • quercus coccinea, scarlet oak - medium-large deciduous tree with a thick trunk found in the eastern United States and southern Canada and having close-grained wood and deeply seven-lobed leaves turning scarlet in autumn
   • jack oak, northern pin oak, quercus ellipsoidalis - small to medium deciduous oak of east central North America; leaves have sharply pointed lobes
   • red oak - 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
   • evergreen oak, holly-leaved oak, holm oak, holm tree, quercus ilex - evergreen oak of southern Europe having leaves somewhat resembling those of holly; yields a hard wood
   • laurel oak, quercus imbricaria, shingle oak - small deciduous tree of eastern and central United States having leaves that shine like laurel; wood is used in western states for shingles
   • bluejack oak, quercus incana, turkey oak - small semi-evergreen shrubby tree of southeastern United States having hairy young branchlets and leaves narrowing to a slender bristly point
   • california black oak, quercus kelloggii - large deciduous tree of the Pacific coast having deeply parted bristle-tipped leaves
   • american turkey oak, quercus laevis, turkey oak - small slow-growing deciduous shrubby tree of dry sandy barrens of southeastern United States having leaves with bristle-tipped lobes resembling turkey's toes
   • laurel oak, pin oak, quercus laurifolia - large nearly semi-evergreen oak of southeastern United States; thrives in damp soil
   • overcup oak, quercus lyrata - medium-large deciduous timber tree of central and southern United States; acorns deeply immersed in the cup and mature in first year
   • scrub oak - any of various chiefly American small shrubby oaks often a dominant form on thin dry soils sometimes forming dense thickets
   • japanese oak, quercus grosseserrata, quercus mongolica - oak with moderately light fine-grained wood; Japan
   • chestnut oak - an oak having leaves resembling those of chestnut trees
   • possum oak, quercus nigra, water oak - relatively tall deciduous water oak of southeastern United States often cultivated as a shade tree; thrives in wet soil
   • nuttall oak, nuttall's oak, quercus nuttalli - similar to the pin oak; grows in damp sites in Mississippi River basin
   • pin oak, quercus palustris, swamp oak - fast-growing medium to large pyramidal deciduous tree of northeastern United States and southeastern Canada having deeply pinnatifid leaves that turn bright red in autumn; thrives in damp soil
   • quercus phellos, willow oak - medium to large deciduous oak of the eastern United States having long lanceolate leaves and soft strong wood
   • box white oak, brash oak, iron oak, post oak, quercus stellata - small deciduous tree of eastern and central United States having dark green lyrate pinnatifid leaves and tough moisture-resistant wood used especially for fence posts
   • cork oak, quercus suber - medium-sized evergreen oak of southern Europe and northern Africa having thick corky bark that is periodically stripped to yield commercial cork
   • quercus texana, spanish oak - small deciduous tree having the trunk branched almost from the base with spreading branches; Texas and southern Oklahoma
   • chinese cork oak, quercus variabilis - medium to large deciduous tree of China, Japan, and Korea having thick corky bark
   • black oak, quercitron, quercitron oak, quercus velutina, yellow oak - medium to large deciduous timber tree of the eastern United States and southeastern Canada having dark outer bark and yellow inner bark used for tanning; broad five-lobed leaves are bristle-tipped
   belongs to: genus quercus, quercus - oaks
   has: acorn - fruit of the oak tree: a smooth thin-walled nut in a woody cup-shaped base
   substance holonym: oak - the hard durable wood of any oak; used especially for furniture and flooring
   same as: oak

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