California Oak Trees (With Pictures) – Identification Guide - Leafy …
网页2023年4月27日 · Also called the mountain oak, the blue oak is a deciduous oak tree species that grows in California’s oak woodlands. It’s a drought-tolerant tree identified by stout, crooked branches, bluish-green leaves, and brown, egg-shaped pointed acorns.
10 Common Types of Oak Trees In California (with Pictures)
网页2024年3月1日 · Blue oaks are hardy trees that live in open, arid areas of southern California. They are primarily found at elevations ranging from 500 to 2,000 feet on the low hillsides that dominate southern California.
Blue Oak - US Forest Service Research and Development
网页Blue oak, a California endemic, has a north-south range of about 740 km (460 mi). Its distribution, in general, surrounds California's Central Valley. Northern limits are Montgomery Creek in Shasta County and southern limits are in the Liebre Mountains of Los Angeles County and the Santa Ynez Valley of Santa Barbara County.
Blue Oak - US Forest Service
网页Blue oak is named for the bluish cast of the leaves; a stand of blue oak trees from a distance has a “cool,” relaxing blue-grey tinge, which is a welcome sight in the hot summer sun of the California foothills. Blue oak is endemic to California. It inhabits the foothills surrounding the Great Central Valley, essentially encircling it.
Quercus douglasii - Wikipedia
网页Quercus douglasii, known as blue oak, is a species of oak endemic to California, common in the Coast Ranges and the foothills of the Sierra Nevada. [4] It is California's most drought-tolerant deciduous oak, [5] and is a dominant species in the blue oak woodland ecosystem. It is occasionally known as mountain oak and iron oak. [6] [7]
Blue Oak - Calscape
网页The majestic blue oak is a drought-tolerant deciduous tree that provides food and shelter for local wildlife. It supports birds, squirrels and insects. It is a host plant for several species of butterflies and moths. This tree gets its name from its blue-green leaves. The bark is pale gray and textured.
Blue Oaks Shine New Light on California's Past Climate
网页2013年9月12日 · Blue oak is a tough, drought-resistant tree that can shed its leaves when necessary. It also grows very slowly and doesn’t reach much more than 50 feet in height. A waist-high seedling can be 40 years old; a modest, scraggly specimen may have taken centuries to mature.
Quercus douglasii Hook. & Arn. - Calflora
网页Quercus douglasii is a tree that is native to California, and endemic (limited) to California.
A Brief History and Guide to California’s Native Oaks
网页2020年7月31日 · Blue Oak, Quercus Douglasii Size: 20 to 60 feet tall Range: Lower dry mountain slopes and rocky foothills of the middle and inner Coast Ranges, the Sierra Nevada, and the Sierra Liebre
Blue Oak Woodland & Wildlife Habitat - UC Oaks
网页2018年8月26日 · Blue oak woodlands are highly variable with blue oak comprising 80-100 percent of the trees present. Foothill pine, California buckeye, valley oak, interior live oak, coast live oak, canyon live oak, and California black oak are common associates of blue oak.