blackjack oak

/ˌblækˈdʒæk oʊk/

Other forms: blackjack oaks

Definitions of blackjack oak

1. 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
   synonyms: Quercus marilandica, blackjack, jack oak

   type of:

   scrub oak

   any of various chiefly American small shrubby oaks often a dominant form on thin dry soils sometimes forming dense thickets