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The leaves are variable, being 15–25 mm (5 ⁄ 8 –1 in) long and flat on young trees and shaded lower branches in older trees. The leaves are scalelike, 5–10 mm ( 1 ⁄ 4 – 3 ⁄ 8 in) long on shoots in full sun in the upper crown of older trees, with a full range of transition between the two extremes.
Quercus agrifolia, the California live oak, [3] or coast live oak, is an evergreen [4] live oak native to the California Floristic Province.Live oaks are so-called because they keep living leaves on the tree all year, adding young leaves and shedding dead leaves simultaneously rather than dropping dead leaves en masse in the autumn like a true deciduous tree. [5]
Description. [edit] Quercus douglasii is a medium-sized tree with sparse foliage, generally 6–20 meters (20–66 feet) tall, with a trunk 36–60 centimeters (1–2 ft) in diameter at breast height. [ 5 ] Trunks are typically solitary, but some trees have multiple trunks. [ 5 ][ 8 ] The tallest recorded specimen was found in Alameda County ...
The leaves are green, and lighter on the underside. [8] The bark and leaves have a pungent scent resembling camphor when bruised, [8] due to a chemical known as umbellulone. [6] The leaves are entire and lance-shaped about 3–10 centimetres (1.2–3.9 in) long. They may substitute for the Mediterranean bay leaf in cooking.
In the fields of horticulture and botany, the term deciduous (/ dɪˈsɪdʒu.əs /) [1][2] means "falling off at maturity" [3] and "tending to fall off", [4] in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, after flowering; and to the shedding of ripe fruit.
Knobcone pine (Pinus attenuata) Ponderosa pine (Pinus ponderosa): well known in mountains. Lodgepole pine (Pinus contorta): used for early construction of buildings and other structures. Monterey pine (Pinus radiata): naturally limited endemic range; widely planted horticulturally around the world.
Erythrina afra, the coast coral tree or African coral tree, is a tree native to southeastern Africa, which is often cultivated and has introduced populations in California and India. [3][4] All the 17 species of coral tree in the genus Erythrina are collectively considered the official tree of Los Angeles, California in the United States. [5]
Aesculus californica is a large deciduous shrub or small tree, up to 4–12 m (13–39 ft) tall, with gray bark often coated with lichens and mosses. It typically is multi-trunked, with a crown as broad as it is high. Trees are long lived, with an estimated lifespan between 250–280 (300 maximum) years. The leaves are dark green, palmately ...