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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]
California's oldest tree, a Palmer's oak thought to be 13,000 to 18,000 years old, may be threatened by a proposed development, environmentalists say.
An Inland Empire city has approved a development project within 450 feet of the third oldest known living organism in the world — a sprawling, shrub-like oak tree that is more than 13,000 years old.
Live oak was widely used in early American butt shipbuilding.Because of the trees' short height and low-hanging branches, lumber from live oaks was used in curved parts of the frame, such as knee braces (single-piece, L-shaped braces that spring inward from the side and support the deck), in which the grain runs perpendicular to structural stress, making for exceptional strength.
A family in San Carlos, California, is facing an impossible decision: spend more than $40,000 to remove a nearly 500-year-old heritage white oak tree in their backyard or find new homeowners ...
California physician and botanist (and one of the founding fathers of the California Academy of Sciences) Albert Kellogg described an oak in an 1855 publication as Quercus arcoglandis (spur acorn oak), [8] apparently the same species as Q. wislizeni. This clearly predates French-Swiss botanist de Candolle's 1864 name, and if confirmed to be ...
Quercus chrysolepis, commonly termed canyon live oak, canyon oak, golden cup oak or maul oak, is a North American species of evergreen oak.Its leaves are a glossy dark green on the upper surface with prominent spines; a further identification arises from the leaves of canyon live oak being geometrically flat.
Quercus tomentella, the island oak, [3] island live oak, [4] or Channel Island oak, [5] is an oak in the section Protobalanus. It is native to six islands: five of the Channel Islands of California and Guadalupe Island , part of Baja California .