Quercus L.
An oak is a hardwood tree or shrub in the genus Quercus of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisphere, with some 500 species, both deciduous and evergreen. Fossil oaks date back to the Middle Eocene. Molecular phylogeny shows that the genus is divided into Old World and New World clades, but many oak species hybridise freely, making the genus's history difficult to resolve.
Source: Wikipedia
Synonyms 49
Balanaulax, Cerris, Cyclobalanopsis, Dryopsila, Eriodrys, Erythrobalanus, Ilex, Macrobalanus, Perytis, Scolodrys, Castanopsis yunnanensis, Cerris australis, Cerris austriaca, Cerris crinita, Cerris macrocarpa, Cerris oliviformis, Cerris paliphleos, Cerris salicifolia, Cerris × suberosa, Cyclobalanopsis acuta, Cyclobalanopsis acutiformis, Cyclobalanopsis albicaulis, Cyclobalanopsis amamiana, Cyclobalanopsis angustissima, Cyclobalanopsis annulata, Cyclobalanopsis argentata, Cyclobalanopsis argyrotricha, Cyclobalanopsis augustini, Cyclobalanopsis austrocochinchinensis, Cyclobalanopsis austroglauca, Cyclobalanopsis austroyunnanensis, Cyclobalanopsis bambusifolia, Cyclobalanopsis bapouensis, Cyclobalanopsis bella, Cyclobalanopsis blakei, Cyclobalanopsis brandisiana, Cyclobalanopsis breviradiata, Cyclobalanopsis buergeri, Cyclobalanopsis camusiae, Cyclobalanopsis championii, Cyclobalanopsis changhuaglingensis, Cyclobalanopsis chapensis, Cyclobalanopsis chevalieri, Cyclobalanopsis chingsiensis, Cyclobalanopsis chrysocalyx, Cyclobalanopsis chungii, Cyclobalanopsis daimingshanensis, Cyclobalanopsis delavayi, Cyclobalanopsis delicatula
- 6,846,792 GBIF occurrences