"longleaf pine." YourDictionary, n.d. Web. 12 October 2018. <http://www.yourdictionary.com/longleaf-pine>.
longleaf pine. (n.d.). Retrieved October 12th, 2018, from http://www.yourdictionary.com/longleaf-pine
A pine tree (Pinus palustris) of the southeast United States, having long needles and heavy, tough, resinous wood used as a source of timber and pulp and formerly as an important source of naval stores.