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Coulter pine is a native evergreen conifer that lives up to 100 years of age. [2] Coulter pine occurs in a mediterranean climate. Winter rains are infrequent, and the summer is dry with occasional summer thunderstorms. [3] It is a native of the coastal mountains of Southern California in the United States and northern Baja California in Mexico.
The gray pine (Pinus sabiniana) and rarer Coulter pine (Pinus coulteri) can be found at all elevations, especially between 800–3,000 feet (240–910 m). Coulter pine reaches its northern limit on northern of Mt. Diablo.
Overstory species include coulter pine, monterey pine, bishop pine, shore pine, and several endemic cypresses, species which generally rely on fire to open their cones and release seeds. Closed-cone forests often grow in low nutrient and/or stressed soils, which can lead to slow growth.
Pinus contorta - Lodgepole pine; Pinus coulteri - Coulter pine; Pinus edulis - Colorado pinyon; Pinus flexilis - Limber pine; Pinus jeffreyi - Jeffrey pine; Pinus lambertiana - Sugar pine; Pinus longaeva - Great Basin bristlecone pine; Pinus monophylla - Single-leaf pinyon; Pinus monticola - Western white pine; Pinus muricata - Bishop pine
Coulter pine (Pinus coulteri) or; Gray pine (Pinus sabiniana) Common wildlife include Steller's jay, chestnut-backed chickadee, western gray squirrel, raccoon and many others. These forests are more diverse in animal life than those having only conifers. The predominance of broadleaf trees provide a greater abundance of food sources.
Prescribed burn associations are proving key to conservationists’ efforts to restore a longleaf pine range forming the backbone of forest ecology in the American Southeast. A US pine species ...
The Pinus sabiniana tree typically grows to 36–45 feet (11–14 m), but can reach 105 feet (32 m) feet in height. The needles of the pine are in fascicles (bundles) of three, distinctively pale gray-green, sparse and drooping, and grow to 20–30 cm (8–12 inches) in length.
The east side is drier, with chaparral and open woods of pine (including Coulter pine and gray pine) and oak woodlands of several Quercus species. The range is the southernmost native location of about 225 plant species including the coast redwood trees and the northernmost home for about 90 species.