Roystonea violacea

Roystonea violacea is a species of palm which is endemic to the Maisí region of Guantánamo Province in eastern Cuba.

Description
Roystonea violacea is a large palm which reaches heights of 15 m. Stems are mauve-brown to mauve-grey and are about 34 cm in diameter. The upper portion of the stem is encircled by leaf sheaths, forming a green portion known as the crownshaft which is normally 2 m long. Individuals have about 15 leaves with 80 cm petioles and 3.2 - 3.6 m rachises; the leaves hang well horizontal. The 1.3 m inflorescences bear violet male and female flowers. Fruit are 12 - 13.7 mm long and 7.8 - 8.5 mm wide, and are brown to black when ripe.