Quercus bicolor
photo by maggie_and_her_camera on Flickr
Quercus bicolor, the swamp white oak, is a medium-sized tree of the north central and northeastern mixed forests. It has a very large range, and can survive in a variety of habitats. It grows rapidly and can reach 300 to 350 years. It is not a large tree, typically growing to 20-25m (65–80 ft) tall, with the tallest known reaching 29 m (95 ft).
It forms hybrids with Bur Oak where they occur together in the wild.
An oak is a tree or shrub in the genus Quercus ( /ˈkwɜrkəs/; Latin "oak tree"), of which about 600 species exist. "Oak" may also appear in the names of species in related genera, notably Lithocarpus. The genus is native to the northern hemisphere, and includes deciduous and evergreen species extending from cold latitudes to tropical Asia and the Americas.
Oaks have spirally arranged leaves, with a lobed margin in many species; some have serrated leaves or entire leaves with a smooth margin. Many deciduous species are marcescent, not dropping dead leaves until spring. The flowers are catkins, produced in spring. The fruit is a nut called an acorn, borne in a cup-like structure known as a cupule; each acorn contains one seed (rarely two or three) and takes 6–18 months to mature, depending on species. The live oaks are distinguished for being evergreen, but are not actually a distinct group and instead are dispersed across the genus.
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