jack oak Meaning, Definition & Usage
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noun 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
Quercus marilandica; blackjack; blackjack oak.
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noun small to medium deciduous oak of east central North America; leaves have sharply pointed lobes
northern pin oak; Quercus ellipsoidalis.