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Quercus laevis is a small tree, sometimes shrubby, typically only 8–10 meters (26–33 feet) tall, though occasionally reaching 28 m (92 ft).The leaves are variable in size, mostly 10–17 centimeters (4– 6 + 3 ⁄ 4 inches) long but occasionally just 8 cm (3 + 1 ⁄ 4 in) or as much as 30 cm (12 in) long.
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
Like all species of Quercus, those of subgenus Cerris are trees or shrubs with acorn-like fruit in which a cup covers at least the base of the nut.Members of subgenus Cerris are distinguished from members of subgenus Quercus by few morphological features, their separation being largely determined by molecular phylogenetic evidence.
Coahuila scrub oak (Quercus intricata), in the US, it is reported at only two sites: One in the Chisos Mountains inside Big Bend National Park, and the other 15 miles SW of Van Horn. Gambel oak (Quercus gambelii) [note 1] Gray oak (Quercus grisea), in the mountains of the southwestern United States and northern Mexico. Emory oak (Quercus emoryi)
Quercus sect. Quercus has been known, either in whole or part, by a variety of names in the past, including Quercus sect. Albae, Quercus sect. Macrocarpae and Quercus sect. Mesobalanus. Members of the section may be called white oaks. The section includes all white oaks from North America (treated by Trelease as subgenus Leucobalanus). [2]
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]
Quercus laeta is a tree up to 10 metres (33 feet) tall with a trunk up to 40 centimetres (16 inches) in diameter. The leaves are dark green, thick and leathery, up to 40 cm long with a few shallow teeth along the edges.
This is a list of the native woody plant species of Lithuania. The most common trees, shrubs, subshrubs, and liana species are marked with a star (*). The list contains 98 woody and semi-woody plant species. Norway Spruce (Picea abies; Paprastoji eglė)