longleaf pinelong·leaf pine
a pine (Pinus palustris) native to the S U.S., having very long needles and valued for its hard, heavy wood
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.
(usually uncountable, plural longleaf pines)
- An important pine species of the southeastern US, Pinus palustris.