Pinus jeffreyi - Wikipedia
Pinus jeffreyi is a large coniferous evergreen tree, reaching 25 to 40 meters (82 to 131 ft) tall, rarely up to 53 m (174 ft) tall, though smaller when growing at or near tree line. [5] The leaves are needle-like, in bundles of three, stout, glaucous gray-green, 12 to 23 centimeters ( to 9 in) long.
Jeffrey Pine (Pinus jeffreyi) Tree Facts, Habitat, Pictures
Mar 21, 2017 · Jeffrey pine is a species of conifers found in North America at an altitude of 1,500 to 2,900 m. These pine trees, named after the Scottish botanist John Jeffrey, slightly resemble Ponderosa pine though they can be differentiated based on their needles, buds, cones, and bark.
Jeffrey Pine - US Forest Service Research and Development
Jeffrey pine (Pinus jeffreyi) was discovered in 1852 in the Shasta Valley of California by John Jeffrey, a Scottish botanical explorer. Partly overlapping ponderosa pine (Pinus ponderosa) in range and superficially resembling it, Jeffrey pine was …
Pinus jeffreyi (Black Pine, Jeffrey's Pine, Yellow Pine) | North ...
Jeffrey's Pine is a large, long-lived needled evergreen tree native to Oregon south through Baja California and can be confused with the ponderosa pine. The Jeffrey pine can occupy many sites from the edges of moist, high mountain meadows to arid slopes bordering deserts and it will grow over a wide range of elevations but usually above 5000 ft.
Jeffrey Pine - Calscape
Jeffrey Pine (Pinus jeffreyi), named in honor of its documenter John Jeffrey, is a North American pine related to Ponderosa Pine. It occurs from southwest Oregon south through much of California, including the Sierras, Coast Ranges, Transverse Range and Peninsular Range, to northern Baja California, Mexico.
Pinus jeffreyi, Jeffrey pine | Trees of Stanford & Environs
Oct 5, 2022 · Jeffrey pine is a noble tree of the Sierra above 5000 feet, reaching from Oregon to Baja California, and seen in typical form at Stanford Sierra Camp on Fallen Leaf Lake. There are three needles to a bunch, each about 8 inches long.
Jeffrey Pine – Pinus jeffreyi - Gardening Know How
Jeffrey pine is a large coniferous evergreen tree, reaching 82 to 131 feet tall, rarely up to 174 feet. The leaves are needle-like, in bundles of three, stout, glaucous gray-green, 4.7 to 9.1 inches long.
Pinus jeffreyi Grev. & Balf. - Calflora
These western yellow pines produce wood of identical structure and quality and are closely related taxonomically (10). Jeffrey pine is distinct chemically, ecologically, and physiologically and is readily distinguished from ponderosa pine on the basis of bark, leader, needle, bud, and cone morphology (23). (link added by Mary Ann Machi)
Pinus jeffreyi - Landscape Plants | Oregon State University
Native to (or naturalized in) Oregon: Conifer, evergreen, large, 80 to 140 ft (24-43 m) high, straight crown, open, spreading branches. Bark purplish-brown, thick, furrowed into narrow, scaly plates.
Trees of the Sierra Nevada: The Gentle Jeffrey Pine
Jeffrey Pine (Pinus jeffreyi) trees are the most common trees of the Lake Tahoe Basin. However, that fact doesn’t diminish their regal beauty and dignified stature. One reason for their abundance is their resilient nature in the face of adversity.