PINACEAE - - Pine Family

Pinus glabra Walter — Spruce Pine

Spruce Pine (Pinus glabra) - Tree becoming 40 m. tall, with a relatively smooth grayish bark; leaves in 2's, glaucous, 4—8 cm. long, very slender; sheath 5—8 mm. long; staminate ament about 1 cm. long; cone 3.5—5 cm. long, conic when close, ovoid when open, each appendage with a minute or almost obsolete spine; see abput 4 mm. long, the wing usually about 1.5 cm. long. Readily distinguished by the smooth bark, the very slender leaves, and the small nearly unarmed cones.

Habitat:

Bottomland forests, rich, moist soils. This pine is unusual in growing in moist (even infrequently flooded), fertile habitats, usually mixed with bottomland hardwoods, and apparently rather shade tolerant, sometimes growing as an understory tree.

Habitat information from:
Weakley, Alan S., Flora of the Southern and Mid-Atlantic States, Working Draft of 21 May 2015.

The range of Pinus glabra (Spruce Pine)

Kartesz, J.T., The Biota of North America Program (BONAP). 2015. North American Plant Atlas. (http://bonap.net/napa). Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2015. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)].

The Georgia range of Pinus glabra (Spruce Pine)

Zomlefer, W.B., J.R. Carter, & D.E. Giannasi. 2014 (and ongoing). The Atlas of Georgia Plants. University of Georgia Herbarium (Athens, Georgia) and Valdosta State University Herbarium (Valdosta, Georgia). Available at: http://www.georgiaherbaria.org/.