Juglans sp.

Walnut, Walnut

Family: Juglandaceae · Type: Shrub · Variable; species dependent

Juglans sp. (Walnut) is a non-native California shrub in the Juglandaceae family.

How to tell it apart

vs Ailanthus: Juglans leaflets lack the gland-teeth at the base that tree-of-heaven shows.; vs Carya: Juglans twigs have chambered centers; hickory twigs are solid throughout.; vs Pistacia: Juglans has chambered twig pith; pistachio has solid pith and resinous smell.; vs Aesculus: Juglans has alternate pinnate leaves; buckeye has opposite palmate leaves with 5-7 leaflets.; vs Fraxinus: Juglans produces nuts in sticky husks; ash produces flat papery winged seeds.

Frequently asked questions

Is Juglans sp. native to California?

No. Juglans sp. is not native to California (recorded as variable; species dependent).

What plant family does Juglans sp. belong to?

Juglans sp. is in the Juglandaceae family, genus Juglans.

Related species

Other California species in the same genus, family, or bioregion.

All Juglans species · All Juglandaceae

Sources: Jepson eFlora · CalPhotos

Last updated 2026-04-14

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.