Pin Oak

Quercus palustris · Fagaceae (Beech and Oak family)

AI-generated identification · may be incorrect
Pin Oak

Leaf Morphology

Leaf Type

Simple leaf, deciduous

Shape

Lobed (palmately lobed), typically with 5 to 7 deep lobes that extend almost to the midrib, each lobe possessing several bristle-tipped teeth

Margin

Deeply lobed with bristle-tipped teeth

Arrangement

Alternate

Venation

Pinnate venation with a prominent, pale yellow-green midrib and primary veins

Key Features

Deep sinuses extending almost to the midrib, bristle-tipped lobe lobes, and the characteristic drooping lower branches of the mature tree

Description

Quercus palustris, the Pin Oak, is a medium-sized deciduous tree known for its distinctive branch habit where upper branches grow upward, middle branches grow horizontally, and lower branches droop downward toward the ground. It features dark brown bark, small acorns with saucer-like caps, and brilliant autumn foliage.

Habitat

Typically found in moist to wet bottomland forests, floodplains, along streams, and poorly drained upland soils; prefers acidic soils and full sun

Native Range

Native to the eastern and central United States, extending from New England west to Kansas and south to Arkansas and North Carolina. It is native to southern and lower Michigan, and widely planted as an urban street tree

Notes

Let me know if it’s native to Michigan

Identified on 10/13/2026
Pin Oak | Leaf Identifier