![Cluster of pollen-bearing male cones of Austrian (black) pine (<i>Pinus nigra</i>). [Credit: Grant Heilman--EB Inc.]](http://images.bookrags.com/images/eb/39230.gif)
Cluster of pollen-bearing male cones of Austrian (black) pine (Pinus nigra). [Credit: Grant Heilman--EB Inc.]Any of 10 genera of coniferous trees (rarely shrubs) of the family Pinaceae (&see;
conifer), native to northern temperate regions, especially about 90 species of ornamental and timber evergreen conifers of the genus
Pinus.
Needlelike leaves and cones are solitary or in bunches. Shallow root systems make pines susceptible to wind and surface disturbance. The family includes fir, Douglas fir, hemlock, spruce, larch, and cedar. Many species are sources of softwood timber, paper pulp, oils, and resins. Some are cultivated as ornamentals.
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