pine
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pine, (genus Pinus), genus of about 115 species of evergreen conifers of the pine family (Pinaceae), distributed throughout the world but native primarily to northern temperate regions. Pines and other conifers are key members of the taiga (boreal forests), coniferous forests, and mixed forests throughout the world, and many pine species are iconic or characteristic constituents of a number of specific ecosystems, such as the longleaf pine (Pinus palustris) ecosystem of the southern United States. Like all trees, the plants provide habitat and a variety of other ecosystem services, and pine seeds are an important food source for birds, squirrels, ...(100 of 1935 words)