Pinus glabra

Spruce pine
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Subgenus: P. subg. Pinus
Section: P. sect. Trifoliae
Subsection: P. subsect. Australes
Species:
P. glabra
Binomial name
Pinus glabra
Natural range of Pinus glabra

Pinus glabra, the spruce pine, is a tree found on the coastal plains of the southern United States, from southern South Carolina south to northern Florida and west to southern Louisiana.

Description

This pine is a straight-growing, medium-sized species, attaining heights of 20 to 40 metres (66 to 131 ft). The leaves are needle-like, in bundles of two, 5-to-8-centimetre-long (2.0 to 3.1 in), slender (1-millimetre-thick (0.039 in)), and glossy dark green. The small, slender cones are 4-to-6-centimetre-long (1.6 to 2.4 in), with weak prickles on the scales that are soon shed.[2]

Ecology

Pinus glabra differs markedly from most other pines in that it does not occur in largely pure pine forests, but is typically found as scattered trees in moist woodland habitats in mixed hardwood forest. To be able to compete successfully in such habitats, it has adapted to greater shade tolerance than most other pines.[3]

Gallery

References

  1. ^ Farjon, A. (2013). "Pinus glabra". IUCN Red List of Threatened Species. 2013: e.T42364A2975443. doi:10.2305/IUCN.UK.2013-1.RLTS.T42364A2975443.en. Retrieved 11 November 2021.
  2. ^ Moore, Gerry; Kershner, Bruce; Craig Tufts; Daniel Mathews; Gil Nelson; Spellenberg, Richard; Thieret, John W.; Terry Purinton; Block, Andrew (2008). National Wildlife Federation Field Guide to Trees of North America. New York: Sterling. p. 70. ISBN 978-1-4027-3875-3.
  3. ^ Kral, Robert (1993). "Pinus glabra". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 2. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

External links

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