Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States, with 9,861,224 residents estimated in 2022. Its population is greater than that of 40 individual U.S. states. Comprising 88 incorporated cities and many unincorporated areas within a total area of 4,083 square miles (10,570 km2), it is home to more than a quarter of Californians and is one of the most ethnically diverse counties in the United States. The county's seat, Los Angeles, is the second most populous city in the United States, with about 3.9 million residents.
Whittier is a city in Southern California in Los Angeles County, part of the Gateway Cities. The 14.7-square-mile (38.0 km2) city had 87,306 residents as of the 2020 United States census, an increase of 1,975 from the 2010 census figure. Whittier was incorporated in February 1898 and became a charter city in 1955. The city is named for the Quaker poet John Greenleaf Whittier and is home to Whittier College.
Walnut trees are any species of tree in the plant genus Juglans, the type genus of the family Juglandaceae, the seeds of which are referred to as walnuts. All species are deciduous trees, 10–40 metres (33–131 ft) tall, with pinnate leaves 200–900 millimetres (7.9–35.4 in), with 5–25 leaflets; the shoots have chambered pith, a character shared with the wingnuts (Pterocarya), but not the hickories (Carya) in the same family.
The San Gabriel Valley, often referred to by its initials as SGV, is one of the principal valleys of Southern California, lying immediately to the east of the eastern limits of the city of Los Angeles and occupying the vast majority of the southeastern part of Los Angeles County. Surrounding landforms and other features include the following:
The San Gabriel Valley Tribune is a paid daily newspaper located in Monrovia, California, that serves the central and eastern San Gabriel Valley. It operated at the West Covina location from 1955 to 2015. The Tribune is a member of Southern California News Group, a division of Digital First Media. It is also part of the San Gabriel Valley Newspaper Group, along with the Pasadena Star-News and the Whittier Daily News.
California's 38th congressional district is a congressional district in the U.S. state of California based in suburban eastern Los Angeles County and Orange County, California. The district is currently represented by Democrat Linda Sánchez.
An orange is a fruit of various citrus species in the family Rutaceae ; it primarily refers to Citrus × sinensis, which is also called sweet orange, to distinguish it from the related Citrus × aurantium, referred to as bitter orange.
Juglans californica, the California black walnut, also called the California walnut, or the Southern California black walnut, is a large shrub or small tree of the walnut family, Juglandaceae, endemic to the Central Valley and the Coast Range valleys from Northern to Southern California.
The University of California Citrus Experiment Station is the founding unit of the University of California, Riverside campus in Riverside, California, United States. The station contributed greatly to the cultivation of the orange and the overall agriculture industry in California. Established February 14, 1907, the station celebrated its 100th anniversary in 2007.
The UCR Citrus Variety Collection (CVC) is one of the most important collections of citrus diversity in the world. It is used for research, plant breeding, and educational extension activities on the UC Riverside campus in Riverside, California.
Luther Burbank was an American botanist, horticulturist and pioneer in agricultural science. He developed more than 800 strains and varieties of plants over his 55-year career. Burbank's developments included those of fruits, flowers, grains, grasses, and vegetables. He developed a spineless cactus and the plumcot.
Theodore Parker Lukens was an American conservationist, real estate investor, civic leader, and forester who believed that burned over mountains could again be covered in timber which would protect watersheds. Lukens collected pine cones and seeds of different types and conducted experimental plantings on the mountain slopes above Pasadena, California. His perseverance earned him the name "Father of Forestry."
Juglans hindsii, commonly called the Northern California black walnut and Hinds's black walnut, is a species of walnut tree native to the western United States. It is commonly called claro walnut by the lumber industry and woodworkers, and is the subject of some confusion over its being the root stock for English walnut orchard stock.
Riverside, California, was founded in 1870, and named for its location beside the Santa Ana River. It became the county seat when Riverside County, California, was established in 1893.
The Fred C. Nelles Youth Correctional Facility was in essence a prison for youth located on Whittier Boulevard, in Whittier, California. Operated by the California Youth Authority, now part of California Department of Corrections, it once quartered young people incarcerated for law-breaking until it was closed by the state of California in June 2004. Open for 113 years, it had been the oldest juvenile facility in the state, and became registered as California Historical Landmark #947. It was closed because of the reduction in the number of juveniles being housed.
Xanthomonas campestris pv. juglandis is an anaerobic, Gram negative, rod-shaped bacteria that can affect walnut trees though the flowers, buds, shoots, branches, trunk, and fruit. It can have devastating effects including premature fruit drop and lesions on the plant. This pathogen was first isolated by Newton B. Pierce in California in 1896 and was then named Pseudomonas juglandis. In 1905 it was reclassified as Bacterium juglandis, in 1930 it became Phytomas juglandis, and in 1939 it was named Xanthomas juglandis. The International Standards for Naming Pathovars declared it to be named Xanthomonas campestris pv. juglandis in 1980. There have been recent proposals to change the name once again to Xanthomonas arboricola pv. juglandis, but this has not yet been universally accepted.
The Glendora Bougainvillea, in Glendora, California, is the largest bougainvillea in the United States. The bougainvillea was designated a California Historical Landmark on October 14, 1977, and listed on the National Register of Historic Places on February 7, 1978, as Site #78000683.
The Old Santa Monica Forestry Station is the nation's first experimental forestry station, built in 1887. The Old Santa Monica Forestry Station was designated a California Historic Landmark (No.840) on March 20, 1970. Old Santa Monica Forestry Station is located at Rustic Canyon in Los Angeles in the Santa Monica Mountains of Southern California in Los Angeles County. The site is south of what is now called Santa Monica Mountains National Recreation Area. In 1971 the state placed a marker near the entrance of the Rustic Canyon Recreation Center at the NW corner of Latimer and Hilltree Roads, at 601 Latimer Road, Los Angeles, CA 90402. This location is in what is now called Pacific Palisades. The hills and canyons around the Santa Monica Canyon were a land boom in the late 1880s.
Walnuts are an indigenous fruit species of California. Juglans californica is native to Southern California and the Central Valley, whereas Juglans hindsii is native to the northern parts.
