Oak, Common Name For A Large Genus Of Hardwood Trees That Are Widespread In The

Oak Oak, common name for a large genus of hardwood trees that ar widespread in the North Temperate Zone. The oak genus contains approximately 450 species. Oaks be distingui make from the other ten or so genera in the beech family, to which the oak genus belongs, by various inviolable characteristics of their minute, clustered flowers, but they are easily recognized by their distinctive fruit, the acorn. The related tan oak, one species of which occurs in the coastal ranges of California and Oregon, also produces an acorn. The tan oak differs from the oak genus in its upright rather than hanging male flower clusters. more or less(predicate) 60 species of oak occur in the join States and Canada, with about 150 additional species in Mexico. They grow in a variety of habitats, from seacoasts to high mountain slopes and from wet lowlands to high, run dry mesas. anthesis occurs in the spring, before the new leaves appear, and large quantitie s of pollen are shed into the wind. The trees may be deciduo...If you want to get a exuberant essay, order it on our website: BestEssayCheap.com

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