Alcock's Spruce Pinaceae Picea alcoquiana Veitch ex Lindl. Carriére Listen to the Latin symbol: -- Other Fact Sheets
Leaf: Evergreen needles, 1/2 inch long, sharp pointed, yellow-green above in sharp contrast with the blue-white with stomatal bands on the lower surfaces; each needle borne on a raised, woody peg (sterigma).
Flower: Species is monoecious; males emerge reddish purple and ripen to yellow-brown, scattered throughout trees; females purple, upright, in tops of the trees; appearing early summer.
Fruit: Cones are 2 to 4 inches long, cylindrical, light brown in color, scales are flexible, pointed with jagged erose margins, mature in the fall.
Twig: Red-brown or gray-brown, mostly hairless; needles are borne on woody pegs; bud scales brown and resinous.
Bark: Gray to red-brown, young trees with small, thin scales; older trees still scaly but with shallow furrows.
Form: A medium to large tree with pyramidal form reaching up to 100 feet tall.
leaf flower fruit twig map
Additional Range Information:
Picea alcoquiana is planted in the USDA hardiness zones shown above and is not known to widely escape cultivaton.
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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