|white pine (Pinus strobus)||
white pine (Pinus strobus; PINE FAMILY [Pinaceae]) Potentially very tall and long-lived evergreen tree, to over 100'. Needles in bundles of 5, 3-5" long, soft and flexible. Fine white lines of stomata on two surfaces of each needle. Cones are stalked and curved, 4-8" long, with spineless scales. The bark is smooth and gray, maturing into broken rectangular blocks. The magnificent white pines of pre-settlement Wisconsin became the fine frame houses throughout much of the upper Midwest. 
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