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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
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]
Oak timber is a strong and hard wood with many uses, such as for furniture, floors, building frames, and veneers. [70] The wood of a red oak Quercus cerris (the Turkey oak) has better mechanical properties than those of the white oaks Q. petraea and Q. robur; the heartwood and sapwood have similar mechanical properties. [71]
Quercus muehlenbergii, the ... as a member of the white oak subgenus of Quercus [2] ... the wood of the chinquapin oak is a durable hardwood prized for many types of ...
Quercus alba, the white oak, is one of the preeminent hardwoods of eastern and central North America. It is a long-lived oak , native to eastern and central North America and found from Minnesota , Ontario , Quebec , and southern Maine south as far as northern Florida and eastern Texas . [ 3 ]
Quercus suber is a species of the section Cerris to which, for example, the following species also belong: Valonia oak (Quercus macrolepis) Turkey oak (Quercus cerris) Quercus × crenata; Macedonian oak (Quercus trojana) Characteristic for the section are the hairless pericarp and the usually two-year ripening time of the fruits. The cork oak ...
In the 1700s, a young botanist scandalized some by discussing “birds and bees” of pollination, and awarding Latin names to plants and animals.
This subgenus comprises numerous oaks from California and elsewhere, which species share similar leaves, acorns, bark and wood pulp. Early settlers used a variety of common names for the valley oak including: white oak, bottom oak, swamp oak, water oak and mush oak.
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