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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.
Feron kingi, the red cone gall wasp, is a species of gall wasp in the family Cynipidae. [1] [2] [3] [4]This species induces galls on various white oak species, [5] such as the valley oak Quercus lobata. [3]
Andricus quercuscalifornicus can induce and inhabit the galls of a variety of oak species, but they are primarily found in the galls of the Valley Oak. Due to this, they are usually found in areas such as riparian forests, open foothill woodlands, valley savannas, plant groves, and suburban areas. The wasps typically induce galls on the twigs ...
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 .
Jeffrey Thomas Lewis (born March 24, 1970) is an American real estate speculator, interior designer, and television and radio personality. He is best known for his Bravo channel reality show Flipping Out and radio show Jeff Lewis Live .
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.
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 ]
Conversely, oak groves in wetter areas that historically had closed canopies of large trees are becoming crowded with young oaks that grow thin and spindly, due to lack of fires that would clear out seedlings. [15] Chionodes petalumensis caterpillars feed on oak leaves, including those of Quercus garryana [20] and valley oak (Q. lobata). [21]