Pin Oak

Quercus palustris · Fagaceae (Beech and Oak family)

AI-generated identification · may be incorrect
Pin Oak

Leaf Morphology

Leaf Type

Simple, deciduous

Shape

Pinnately lobed with 5 to 7 deep lobes that have bristle-tipped teeth

Margin

Lobed with bristle tips on the lobe lobes

Arrangement

Alternate along the twig

Venation

Pinnate with a prominent yellowish-white midrib and primary veins

Key Features

Deeply lobed leaves with bristle-tipped teeth, deep U-shaped sinuses between lobes, drooping lower branches, and persistent dead leaves in winter (marcescence)

Description

The Pin Oak is a medium to large deciduous tree known for its distinctive branch habit: upper branches grow upward, middle branches grow horizontally, and lower branches droop downward. It produces small acorns and features deeply cut, glossy green leaves that hold onto their dead leaves through much of the winter.

Habitat

Typically found in moist to wet bottomlands, floodplains, and poorly drained upland soils; prefers full sun

Native Range

Native to eastern and central North America, ranging from New England west to Ontario and Kansas, and south to Arkansas and North Carolina

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