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Quercus lyrata, the overcup oak, is an oak in the white oak group (Quercus sect. Quercus). The common name, overcup oak, refers to its acorns that are mostly enclosed within the acorn cup. [ 3 ] It is native to lowland wetlands in the eastern and south-central United States, in all the coastal states from New Jersey to Texas , inland as far as ...
Acorns: The acorn is about 1.5 cm (1 ⁄ 2 in) long, globular or hemispheric, with up to one-third of its length enclosed in a shallow thin cap. Acorns per pound range from 200 to 750. Acorns per pound range from 200 to 750.
The acorn is the nut of the oaks and their close relatives (genera Quercus, Notholithocarpus and Lithocarpus, in the family Fagaceae). It usually contains a seedling surrounded by two cotyledons (seedling leaves), enclosed in a tough shell known as the pericarp, and borne in a cup-shaped cupule .
The genus Quercus contains about 500 known species, plus about 180 hybrids between them. [1] The genus, as is the case with many large genera, is divided into subgenera and sections. Traditionally, the genus Quercus was divided into the two subgenera Cyclobalanopsis, the ring-cupped oaks, and Quercus, which included
The leaf blades are oval with smooth or toothed edges, and measure 2.5 to 3.5 centimetres (1 to 1 + 1 ⁄ 2 inches) in length. [ 8 ] The fruit is an acorn with a cap up to 2 cm ( 3 ⁄ 4 in) wide covered in light-colored scales and a cylindrical, round-ended nut up to 3 cm ( 1 + 1 ⁄ 4 in) long.
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]
California physician and botanist (and one of the founding fathers of the California Academy of Sciences) Albert Kellogg described an oak in an 1855 publication as Quercus arcoglandis (spur acorn oak), [10] apparently the same species as Q. wislizeni. This clearly predates French-Swiss botanist de Candolle's 1864 name, and if confirmed to be ...
Quercus hypoleucoides, the silverleaf oak or the whiteleaf oak, is a North American species of oak tree or shrub. It grows in the southwestern United States and northern Mexico. It grows in the southwestern United States and northern Mexico.