This palm is listed as threatened in Puerto Rico. Calyptonoma quisqueyana is often the species name given for the Hispaniolan specimen of this species.
Palma de ManacaScientific Name: Calyptronoma rivalis (O.F. Cook) L.H. Bailey
Synonym: Calyptronoma quisqueyana, Cocops rivalis, Calyptrogyne rivalis, Calyptrogyne quisqueyana
Water Requirements: Abundant water
Sun Requirements: Full sun or light shade
Origin: Hispaniola and Puerto Rico
12 to 14 spineless, feather-shaped leaves,
up to 12 feet long with a 2-foot long leaf stalk and a 2-foot long sheath.
6 to 10 inches (13 to 25 centimeters) in diameter.
Flower: Its large flowers are clustered, branched, and drooping. They are arranged in triads of two males and one female..
Fruit: reddish when ripe.
0.25 inch wide (6 mm). All of the fruits mature at the same time and fall with the persistent flower parts still attached to the base.
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