jack oak, n.
small to medium deciduous oak of east central North America; leaves have sharply pointed lobes
<noun.plant>
Quercus ellipsoidalis jack oak northern pin oak
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a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets
<noun.plant>
Quercus marilandica blackjack blackjack oak jack oak
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hypernym