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A pine is any conifer in the genus Pinus, / ˈ p iː n uː s /, of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae.The Plant List compiled by the Royal Botanic Gardens, Kew and Missouri Botanical Garden accepts 126 species names of pines as current, together with 35 unresolved species and many more synonyms.


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The elevation of the pinyon pine is an important determinant of the quantity of pine cone production, and therefore, will largely determine the amount of pine nuts the tree will yield.