Pinus clausa
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P. clausa
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Pinus clausa is a species of pine endemic to the Southeastern United States. Its common names include sand pine, Florida spruce pine,[1] Alabama pine, and scrub pine.[2]
Distribution
The tree is found in two separate locations, one across central peninsular Florida, and the other in the western Florida panhandle and the Alabama coast. There is a range gap of about 200 km (120 mi) between the populations (from Apalachicola to Cedar Key).
It is largely confined to very infertile, excessively well-drained, sandy habitats where competition from larger-growing species is minimized by the harsh growing conditions, as in the Florida scrub.
Description
Pinus clausa is a small, often shrubby tree from 5–10 m (16–33 ft), exceptionally to 21 m (69 ft) tall.
The leaves are needle-like, in pairs, 5–10 cm (2.0–3.9 in) long, and its cones are 4–8 cm (1.6–3.1 in) long.
Over much of its range, it is fire-adapted to stand-replacing wildfires, with the cones remaining closed for many years (clausa = closed), until a natural forest fire kills the mature trees and opens the cones. These then reseed the burnt ground. Some populations differ in having cones that open at maturity, with seed dispersal not relying on fires.[3]
Uses
Pinus clausa woodlands are an important habitat for the endangered Florida Sand Skink.
The dense branching makes this tree unsuitable for wood production, and when used at all, it mainly is used for wood pulp.
References
- ↑ Farjon, A. 2013. Pinus clausa. The IUCN Red List of Threatened Species. Version 2015.2. Downloaded on 02 September 2015.
- ↑ Pinus clausa. USDA Germplasm Resources Information Network (GRIN).
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
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Wikimedia Commons has media related to Pinus clausa. |
- Pinus clausa. USDA PLANTS.
- Pinus clausa. Flora of North America.
