Pitch Pine
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Pitch Pine

Pitch pine
2013-05-12 11 23 41 Pitch Pine trees and view west from the Hoeferlin Trail in Ramapo Mountain State Forest in New Jersey.jpg
Scientific classification edit
Kingdom: Plantae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Subgenus: P. subg. Pinus
Section: P. sect. Trifoliae
Subsection: P. subsect. Australes
Species:
P. rigida
Binomial name
Pinus rigida
Pinus rigida range map.png

Pinus rigida, the pitch pine,[2][3] is a small-to-medium-sized (6-30 m or 20-98 ft) pine. It is native to eastern North America, from central Maine south to Georgia and as far west as Kentucky, and in two pockets along the St. Lawrence River in southern Quebec and Ontario. It is found in environments which other species would find unsuitable for growth such as acidic, sandy, and low nutrient soils. This species occasionally hybridizes with other pine species such as loblolly pine (Pinus taeda), shortleaf pine (Pinus echinata), and pond pine (Pinus serotina); the last is treated as a subspecies of pitch pine by some botanists.

Distribution

Pitch pine is found mainly in the southern areas of the northeastern United States, from coastal Maine and Ohio to Kentucky and northern Georgia. A few stands occur in southern Quebec and Ontario. It is known as a pioneer species and is often the first tree to vegetate a site after it has been cleared away. In extreme conditions, it is a climax vegetation type. But in most cases, it is replaced by oaks and other hardwoods. This pine occupies a variety of habitats from dry acidic sandy uplands to swampy lowlands, and can survive in very poor conditions; it is the primary tree of the New Jersey Pine Barrens.[4]

Taxonomy

Scientific name: Pinus rigida

It was given its name by British botanist Philip Miller. It belongs to the Pinaceae family and the subgenus Diploxyon along other hard pines

Description

It is irregular in shape, branches are usually twisted and it does a poor job at self-pruning. The needles are in fascicles (bundles) of three, about 6-13 cm (-5 in) in length, and are stout (over 1 mm (0.04 in) broad) and often slightly twisted. The cones are 4-7 cm (- in) long and oval with prickles on the scales. Trunks are usually straight with a slight curve to them, they are covered in irregular, thick, large plates of bark. Pitch pine has an exceptionally high regenerative ability; if the main trunk is cut or damaged by fire it can re-sprout using epicormic shoots. This is one of its many adaptations to fire, which also includes a thick bark to protect the sensitive cambium layer from heat. Burnt trees often form stunted, twisted trees with multiple trunks as a result of the resprouting. This characteristic also makes it a popular species for bonsai.

Pitch pine is rapid-growing when young, gaining around one foot of height per year under optimal conditions until the tree is 50-60 years old, whereupon growth slows. By 90 years of age, the amount of annual height gain is minimal. Open-growth trees begin bearing cones in as little as three years, with shade-inhabiting pines taking a few years longer. Cones take two years to mature and seed dispersal occurs over the fall and winter and trees cannot self-pollinate. The total lifespan of pitch pine is about 200 years.

Role in ecosystem

Pitch pine provides a habitat and offers food for many wildlife species. They are used as cover and nesting for birds such as the pine warbler, wild turkey, red-cockaded woodpecker, great-crested flycatchers, blue jays, black-capped chickadees, black-and-white warblers, Nashville warblers, and chestnut-sided warblers. Deer consume seedlings and new sprouts, and small mammals and birds eat the seeds.[5]

Uses

Pitch pine is not a major timber tree due to the frequency of multiple or crooked trunks; nor is it as fast-growing as other eastern American pines. However, it grows well on unfavorable sites. In the past, it was a major source of pitch and timber for ship building, mine timbers, and railroad ties because the wood's high resin content preserves it from decay. Pitch pine wood was also used for building radio towers in Germany, as at Muehlacker and Ismaning.

Pitch pine is currently used mainly for rough construction, pulp, crating, and fuel. However, due to its uneven growth, quantities of high quality can be very sought after, and large lengths of pitch pine can be very costly.

Archaeology indicates that the Iroquois, Shinnecock, and Cherokee all utilized pitch pine. The Iroquois used the pitch to treat rheumatism, burns, cuts, and boils. Pitch also worked as a laxative. A pitch pine poultice was used by both the Iroquois and the Shinnecock to open boils and to treat abscesses.[6] The Cherokee used pitch pine wood in canoe construction and for decorative carvings.

Gallery

References

  1. ^ Farjon, A. (2013). "Pinus rigida". The IUCN Red List of Threatened Species. IUCN. 2013: e.T42411A2978217. doi:10.2305/IUCN.UK.2013-1.RLTS.T42411A2978217.en. Retrieved 2018.
  2. ^ "Pinus rigida". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2016.
  3. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved .
  4. ^ Moore, Gerry; Kershner, Bruce; et al. (2008). National Wildlife Federation Field Guide to Trees of North America. New York: Sterling. p. 756. ISBN 1-4027-3875-7.
  5. ^ Gucker, Corey L. (2007). "Pinus rigida". Fire Effects Information System (FEIS). US Department of Agriculture (USDA), Forest Service (USFS), Rocky Mountain Research Station, Fire Sciences Laboratory. Retrieved – via https://www.feis-crs.org/feis/.
  6. ^ "North American Native Trees". Retrieved .

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Pitch_pine
 



 

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