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.

The genus name, Quercus, is from the Classical Greek name for oak trees. The alternate, simple leaves vary greatly in shape depending on the species and margins can be lobed, toothed or …

Quercus falcata-American red oak, bottomland red oak, cherrybark oak, Elliott oak, red oak, Spanish oak, southern red oak, swamp red oak, swamp spanish oak, turkeyfoot oak, water oak

Quercus为壳斗科栎属植物统称，全球分布约300种，主要分布于亚洲、非洲、欧洲和美洲，中国境内记录51种及多个变种。 其形态多样，包含落叶/常绿乔木或灌木，叶片螺旋状互生具锯齿或 …

Dec 18, 2025 · oak, (genus Quercus), genus of about 450 species of ornamental and timber trees and shrubs in the beech family (Fagaceae), distributed throughout the north temperate zone …

Quercus is a learning management engine, and is the University of Toronto’s main online teaching and learning platform. Quercus is web-based platform in which you can access course …

栎属 （學名： Quercus），是 壳斗科 的一个 属，俗名 橡树 、 櫟樹 、 柞树。 栎属有600个种，其中450种来自 栎亚属，150種则來自 青剛櫟亞屬。

One of these sources is the leaves from oak trees (Quercus spp.), also known as tea trees. The oaks belong to the family Fagaceae, Quercus genus. They are deciduous trees and shrubs …

Nov 5, 2020 · Quercus is without doubt one of the most important woody genera of the Northern Hemisphere. Historically, oaks have been an important source of fuel, fodder, and building …

Across most of temperate Europe Quercus petraea ranks as one of the largest and longest-lived broadleaf trees. As such, it has collected an extraordinary range of uses, associations and …