Pinus echinata
| Pinus echinata | |
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| Shortleaf Pine forest | |
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P. echinata
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| Binomial name | |
| Pinus echinata |
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| Natural range of shortleaf pine | |
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Pinus echinata, the shortleaf pine,[2] is a species of pine native to the eastern United States from southern New Jersey, south to northern Florida, west to eastern Oklahoma, and southwest to eastern Texas. The tree is variable in form, sometimes straight, sometimes crooked, with an irregular crown. This tree reaches heights of 20–30 metres (66–98 ft) with a trunk diameter of 0.5–0.9 metres (1 ft 8 in – 2 ft 11 in).
The leaves are needle-like, in bundles of two and three mixed together, and from 7–11 centimetres (2.8–4.3 in) long. The cones are 4–7 centimetres (1.6–2.8 in) long, with thin scales with a transverse keel and a short prickle. They open at maturity but are persistent.
Shortleaf pine seedlings develop a persistent J-shaped crook near the ground surface.[3] Axillary and other buds form near the crook and initiate growth if the upper stem is killed by fire or is severed.
This pine is a source of wood pulp, plywood veneer, and lumber for a variety of uses. The shortleaf pine is one of the southern US "southern yellow pines; it is also occasionally called southern yellow pine or the shortstraw pine. Shortleaf pine has the largest range of the southern US yellow pines.
This pine occupies a variety of habitats from rocky uplands to wet flood plains. It frequently hybridizes naturally with loblolly pine and pitch pine where their ranges intersect.
References
- ↑ International Union for Conservation of Nature and Natural Resources: The IUCN Red List of Threatened Species. Pinus echinata.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ USDA FS: Silvics of Trees of North America: Pinus echinata
External links
Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons- Gymnosperm Database: Pinus echinata
- Flora of North America, Profile and map: Pinus echinata
- NCRS: USDA Plants Profile: Pinus echinata
- IUCN Red List least concern species
- Pinus
- Trees of the Eastern United States
- Flora of the Appalachian Mountains
- Trees of the Southeastern United States
- Trees of the South-Central United States
- Trees of the Southern United States
- Trees of the North-Central United States
- Trees of the Northeastern United States
- Least concern plants
