TERMINOLOGY TUESDAY 🌿 w/ the Florida Native Plant Society! Meet the Longleaf Pine! Longleaf Pine Pinus palustris Family: Pinaceae The most distinctive and ecologically important pine species in the Southeast! Longleaf is a large and long-lived species, reaching 100 feet tall and living as long as 400 years! This species is the foundation of the biodiverse Longleaf Pine Ecosystem, which once covered up to 90 million acres of the Southeastern Coastal Plain. This ecosystem and the tree it’s named