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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]
Several oak trees hold cultural importance; such as the Royal Oak in Britain, [116] the Charter Oak in the United States, [117] and the Guernica oak in the Basque Country. [118] " The Proscribed Royalist, 1651 ", a famous painting by John Everett Millais , depicts a Royalist hiding in an oak tree while fleeing from Cromwell's forces.
The leaves of the swamp chestnut oak are simple (not compound), 4–11 inches (10–28 centimetres) long and 2–7 in (5–18 cm) broad, with 15–20 lobe-like, rounded simple teeth on each side, similar to those of chestnut oak and chinkapin oak (Quercus muehlenbergii), although they generally do not achieve the more slender form that the leaves of those trees may exhibit at times.
Quercus gambelii trees differ in size from one location to another. The average mature height is from 3–9 metres (10–30 feet), but occasionally reaches heights of 18 m (59 ft) in some locations. The average mature height is from 3–9 metres (10–30 feet), but occasionally reaches heights of 18 m (59 ft) in some locations.
The cork oak grows as an evergreen tree, reaching an average height of 10 to 15 metres (33 to 49 feet) or in rare cases up to 25 m and a trunk diameter of 50 to 100 centimetres (20 to 39 inches). It forms a dense and asymmetrical crown that starts at a height of 2–3 m (6 + 1 ⁄ 2 –10 ft) and spreads widely in free-standing trees. The crown ...
Wistman's Wood is one of Britain's last remaining ancient temperate rainforests and one of three remote high-altitude oakwoods on Dartmoor in Devon, England. The first written document to mention Wistman's Wood date to the 17th century, while more recent tree-ring studies show that individual trees could be many hundreds of years old.
The Jurupa Oak, or Hurungna Oak, [1] [2] is a clonal colony of Quercus palmeri (Palmer's oak) trees in the Jurupa Mountains in Crestmore Heights, Riverside County, California. The colony has survived an estimated 13,000 years through clonal reproduction, [ 3 ] [ 4 ] [ 5 ] making it one of the world's oldest living trees . [ 5 ]
Quercus alba, the white oak, is one of the preeminent hardwoods of eastern and central North America. It is a long-lived oak, native to eastern and central North America and found from Minnesota, Ontario, Quebec, and southern Maine south as far as northern Florida and eastern Texas. [3] Specimens have been documented to be over 450 years old. [4]