Picea mariana (Mill.) Britton, Sterns & Poggenb.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Pinaceae
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Scientific Name
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Description
Species Description - Tree to 10(–25) m, with a narrow but scarcely spire-like crown, the branches tending to droop; twigs pubescent with crooked or glandular, cylindric hairs; lvs 6–18 mm, radially spreading, straight, often blunt, strongly glaucous, grayish-green; winter buds acute, gray-brown, the lowest scales pubescent and subulate; cones dark purple before maturity, dull grayish-brown when ripe, ovoid, 1.5–3.5 cm, persistent for many years; cone-scales firmly attached to the rigid axis, with thin, brittle, often somewhat pointed, usually dentate or erose margin, often with a bucktooth projection. Usually in Sphagnum bogs, in our range, but sometimes on subalpine slopes, as in the White Mts. of N.H.; Nf. and Lab. to Alas., s. to n. N.J., Pa., Mich., Wis., and B.C.
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Common Names
black spruce