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The valley oak may surpass 30 meters (98 feet) in height, with a sturdy trunk possibly exceeding 3 m (10 ft) in diameter. The "Henley Oak", in Covelo, California, is the tallest known valley oak, at 47 m (153 ft). [7] [8] The branches have an irregular, spreading and arching appearance.
Hooker Oak was an extremely large valley oak tree (Quercus lobata) in Chico, California.Amateur botanist and local socialite Annie Bidwell, whose husband had founded Chico, named the tree in 1887 after English botanist and Director of the Royal Botanical Gardens Sir Joseph Dalton Hooker.
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 ]
Island oak woodland is found on the California Channel Islands, and is made up primarily of island oak (Q. tomentella) and coast live oak, together with canyon live oak, MacDonald scrub oak (Q. berberidifolia) hybridized with valley or other oaks), Catalina ironwood (Lyonothamnus floribundus), and bishop pine (Pinus muricata).
Category: Individual oak trees. 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 ...
A Palmer oak in Jurupa Valley is estimated to be 13,000 to 18,000 years old. The plant, which looks like a sprawling, dark green shrub, is now at the center of a development battle.
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]
Valley oak (Quercus lobata) - the largest of these, found in valley regions. Leather oak (Quercus durata) - an evergreen shrub endemic to serpentine chaparral. Blue oak (Quercus douglasii) - in the Central Valley foothills and Coast Ranges. California black oak (Quercus kelloggii) - in the higher hills and mountains.