Pritchardia kaalae, also known as Waianae Range pritchardia or loulu palm, is a species of palm tree that is endemic to the western part of the island of Oʻahu in Hawaiʻi. It grows near springs in the dry forests on the Waiʻanae Range at elevations up to 2500feet. This slow growing species reaches a height of 25feet, with a trunk diameter of 1feet.[1] In 1998 there were fewer than 130 individuals remaining in the wild. This has been a federally listed endangered species of the United States since 1996.