Define northern pin oak. northern pin oak synonyms, northern pin oak pronunciation, northern pin oak translation, English dictionary definition of northern pin oak. Noun 1. northern pin oak - small to medium deciduous oak of east central North America; leaves have sharply pointed lobes Quercus ellipsoidalis, jack oak. Northern pin oak - definition of northern pin oak by The Free Dictionary.
Oak belongs to the genus Quercus which comprises over 600 different species of trees. Most species of oak trees are deciduous with only couple of evergreen forms. Oak trees live on the Northern hemisphere. They can survive in various forests, including those in temperate climates, Mediterranean and tropical areas. Oak trees are prone to fungal diseases that may induce rotting of the inner part.