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A spruce (Picea pungens) of the Rocky Mountains, having silvery-blue or blue-green four-angled needles and cylindrical cones. It is cultivated as an ornamental. Also called Colorado blue spruce.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Plants) a spruce tree, Picea pungens glauca, native to the Rocky Mountains of North America, having blue-green needle-like leaves. Also called: balsam spruce
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a spruce, Picea pungens, of W North America, having bluish green leaves, grown as an ornamental.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.