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Blue spruce Pinaceae Picea pungens Leaf: Evergreen, stiff, 3/4 to 1 1/4 inch long, yellow-green to bluish or white. Needles are very sharp, and have an acidic taste. Flower: Monoecious; males yellow-brown to purple, scattered throughout trees; females purple, upright, in tops of the trees. Fruit: Cones are 2 to 4 inches long, cylindrical, light brown in color. Cone scales are pointed with jagged-erose margins. Maturing in autumn. Twig: Stout (when compared to other spruces), hairless, orange-brown. Needles are borne on woody pegs. Bud scales are noticeably reflexed. Bark: Gray to red-brown, young trees with small, thin scales - older trees developing furrows. Form: A medium to large tree with pyramidal form. Branches appear layered,
especially with age.
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