Roystonea violacea is a species of palm which is endemic to the Maisí region of Guantánamo Province in eastern Cuba.
Roystonea violacea is a large palm which reaches heights of 15m (49feet). Stems are mauve-brown to mauve-grey and are about in diameter. The upper portion of the stem is encircled by leaf sheaths, forming a green portion known as the crownshaft which is normally 2m (07feet) long. Individuals have about 15 leaves with petioles and 3.2- rachises; the leaves hang well horizontal. The 1.3m (04.3feet) inflorescences bear violet male and female flowers. Fruit are 12- long and 7.8mm8.5mm wide, and are brown to black when ripe.[1]