Black Walnut

Juglans nigra · Juglandaceae (Walnut family)

AI-generated identification · may be incorrect
Black Walnut

Leaf Morphology

Leaf Type

Pinnately compound, deciduous

Shape

Lanceolate to ovate leaflets

Margin

Serrate

Arrangement

Alternate

Venation

Pinnate with prominent parallel lateral veins

Key Features

Odd-pinnately compound leaves featuring finely serrated, lanceolate leaflets arranged alternately along a pubescent rachis

Description

Large deciduous tree with a deep taproot, dark brown furrowed bark, and spherical green husks enclosing hard-shelled nuts that ripen in autumn

Habitat

Rich, deep, moist bottomland soils and mixed hardwood forests in full sun

Native Range

Eastern and central North America, widely planted in temperate regions worldwide

Identified on 10/18/2026