hybrid or cross between two species of Quercus. Foremost among oak (Quercus ilex) and cork oak (Quercus suber) (Quercus x morisii Borzi, Quercus x mixed ex Colmeiro Villalobos, Quercus ilex l. X Quercus suber L.), or between oak and oak.Often have common features of both species eg more cork tree an oak but unless the cork. (Arcena and saw peaks aroche)