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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]
The Myrtle Oak often grows as a shrub, but can also take the form of a tree. In maturity it grows to 15–20 feet (4.6–6.1 m) tall and 8–10 feet (2.4–3.0 m) wide. It is considered a red oak. [9] The leaves are simple alternate. [10] They appear dark green with a yellow-green underside. The leaves have a leathery texture, and an obovate ...
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), [10] 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 that is found in Mexico and in the western United States, notably in the California Coast Ranges. This tree is often found near creeks and drainage swales growing in moist cool microhabitats. Its leaves are ...
Quercus cornelius-mulleri acorns. Quercus cornelius-mulleri is a North American species of oak known by the common name Muller oak, or Muller's oak. It was described to science in 1981 when it was segregated from the Quercus dumosa complex and found to warrant species status of its own. [3] [4] [5] It was named after ecologist Cornelius Herman ...
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.
Quercus lobata Née – valley oak or California white oak – California; Quercus lusitanica Lam. – gall oak or Lusitanian oak – Iberia, North Africa; Quercus lyrata Walter – overcup oak – eastern North America; Quercus × macdonaldii Greene & Kellogg – California; Quercus macdougallii Martínez – Mexico; Quercus macranthera Fisch ...
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 ...