Washington (tree) Washington (tree) The Washington tree is a giant sequoia in the Giant Forest Grove in Tulare County, California, within Sequoia National Park. It is named after George Washington, first President of the United States. Until it partially collapsed in January 2005, the Washington tree was the second largest tree in the world (after the General Sherman tree). The tree was studied in 1999 by scientists from Humboldt State University and University of Washington. The tree was tall, with a basal diameter of . Its total volume was , including the main stem and the 46 largest branches . The scientists
Sequoiadendron giganteum top ten largest giant sequoias sorted by volume of their trunks are: Sequoiadendron giganteum Sequoiadendron giganteum (giant sequoia; also known as giant redwood, Sierra redwood, Sierran redwood, Wellingtonia or simply Big Treea nickname used by John Muir) is the sole living species in the genus "Sequoiadendron", and one of three species of coniferous trees known as redwoods, classified in the family Cupressaceae in the subfamily Sequoioideae, together with "Sequoia sempervirens" (coast redwood) and "Metasequoia glyptostroboides" (dawn redwood). Giant sequoia specimens are the most massive trees on Earth. The common use of the name "sequoia" generally refers to "Sequoiadendron giganteum", which