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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 "Big Tree" is a species of oak called Quercus virginiana. These oak trees can be found from Texas to Florida with their range extending northward to Virginia. The common name for the Quercus virginiana is the live oak but includes the names southern live oak and the Texas live oak too. Live oak growth rate and size vary by location.
Oldest tree in Poland. The age of the tree was estimated based on the trunk circumference and growth rate assessed by taking a core from an undamaged part of the trunk. If the trunk is the result of the fusion of two or three trunks, its age may be younger. [68] Algarrobo Abuelo: 1,200+ Algarrobo Prosopis chilensis: Villa de Merlo, San Luis ...
Coast live oak (Quercus agrifolia) Scrub oak (Quercus dumosa) Southern California black walnut (Juglans californica) California sycamore (Platanus racemosa) Box elder (Acer negundo) Willow (Salix sp.)
Live oaks grow across a wide range of sites with many moisture regimes – ranging from dry to moist. Live oak will survive well on both dry sites and in wet areas, effectively handling short duration flooding if water is moving and drainage is good. Good soil drainage is a key resource component for sustained live oak growth.
According to the Live Oak Society the oldest southern live oak is believed to be the Seven Sisters Oak located in Mandeville, Louisiana with an estimated age of 500–1,000 years. [3] The southern live oak is the official state tree of Georgia. The Seal of Texas includes a live oak branch. A small grove of live oaks on a prairie is known as a ...
In the 20 years since the detection of the plant pathogen, known as Sudden Oak Death, it has killed upwards of 50 million oaks and tan oaks, infecting more than 150 million oaks. It starves them ...
Quercus lobata, commonly called the valley oak or roble, is the largest of the California oaks. It is endemic to the state, growing in interior valleys and foothills from Siskiyou to San Diego counties. [4] Deciduous, it requires year-round groundwater, [5] [6] and may live up to 600 years.