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Juniperus californica is a shrub or small tree reaching 3–8 meters (10–26 feet), but rarely up to 10 m (33 ft) tall. The bark is ashy gray, typically thin, and appears to be "shredded". [5]
The altitudinal range of T. californica is from near sea level (but usually above 200 m) in the Coast Ranges to 2,500 m (8,200 ft) in the Sierra Nevada. [1] This shade-adapted, subcanopy tree is native to mountainous habitats in either the California Coast Ranges or the west slopes of the Cascade and Sierra Nevada mountain ranges in California, which are distant from the coast.
The Mojave Desert ecoregion is marked by the presence of Joshua trees. [3] The dry cold Great Basin desert of California consists of the Owens Valley, and is classified into Great Basin shrub steppe by the WWF, [4] and into the Central Basin and Range ecoregion by the EPA. [5] The deserts in California receive between 2 and 10 inches (51 and ...
A list of tree species, grouped generally by biogeographic realm and specifically by bioregions, and shade tolerance. Shade-tolerant species are species that are able to thrive in the shade, and in the presence of natural competition by other plants. Shade-intolerant species require full sunlight and little or no competition.
A Joshua tree in Juniper Hills is engulfed by the Bobcat fire in 2020. Wildfires, along with climate change and habitat loss, are taking an increasing toll on Joshua trees in California.
There are three main deserts in California: the Mojave Desert, the Colorado Desert, and the Great Basin Desert. [5]: 408 The Mojave Desert is bounded by the Tehachapi Mountains on the northwest, the San Gabriel and San Bernardino Mountains on the south, and extends eastward to California's borders with Arizona and Nevada; it also forms portions of northwest Arizona.
In 1993, The Jepson Manual estimated that California was home to 4,693 native species and 1,169 native subspecies or varieties, including 1,416 endemic species. A 2001 study by the California Native Plant Society estimated 6,300 native plants.
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