High Quality Content by WIKIPEDIA articles! Copernicia is a genus of 24 species of palms, native to South America and the Caribbean. They are fan palms (Arecaceae tribe Corypheae), with the leaves with a bare petiole terminating in a rounded fan of numerous leaflets. The species are small to medium-sized trees growing to 5-30 m tall, typically occurring close to streams and rivers in savanna habitats.