Juglans hindsii
Juglans hindsii, commonly called the Northern California walnut and Hinds' black walnut, is a species of walnut tree endemic to Northern California.
Distribution
The historical range of Juglans hindsii is from the San Joaquin Valley and Sacramento Valley to the Inner Northern California Coast Ranges and San Francisco Bay Area, in Northern California.
The tree grows in riparian woodlands, either in mono-species stands, or mixed with California oak species (Quercus spp.) and Fremont cottonwood (Populus fremontii) trees.
Juglans hindsii has only one confirmed native stand remaining. It is listed as Seriously Endangered on the California Native Plant Society Rare Plant Inventory. The IUCN classification is a Vulnerable species. It is threatened by hybridization with orchard trees, urbanization, and habitat conversion to agriculture.
Description
Juglans hindsi is a large tree, growing 30–60 feet (9.1–18.3 m) tall. It has a single erect trunk, commonly without branches for 10–40 feet (3.0–12.2 m), and a crown which can be wider than the tree is tall. Trunks commonly reach 5–6 feet (1.5–1.8 m) in diameter near the base of the tree.
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