Slash pine (Pinus elliottii) is one of the hard yellow pines indigenous to southeastern United States. Other names occasionally used for this species include southern pine, yellow slash pine, swamp pine, pitch pine, and Cuban pine.
Slash pine is one of the two southern pines used for naval stores and one of the most frequently planted timber species in North America. Two varieties are recognized: P. elliottii var. elliottii, the slash pine most frequently encountered, and P. elliottii var. densa, that grows naturally only in the southern half of peninsula Florida and in the Keys.
Forestryimages.org provides several images of parts of slash pine. The tree is a conifer and the lineal taxonomy is Pinopsida > Pinales > Pinaceae > Pinus elliottii. Slash pine pine is also commonly called southern yellow pine, swamp pine and cuban pine.
3. The Range of Slash Pine

USFSSlash pine has the smallest native range of the four major southern pines. The range extends over 8° latitude and 10° longitude, and 45 percent of the present growing stock is in Georgia.