Coccothrinax ekmanii, also known in Haitian Creole as gwenn or in Dominican Spanish as palma de guano, is an endangered species of palm which is endemic to the island of Hispaniola (in the Dominican Republic and Haiti).
Like other members of the genus, C. ekmanii is a fan palm. Trees are single-stemmed, between 3 and 15 metres tall with stems 5 to 8 (occasionally 20) centimetres in diameter. The fruit is brownish, 5âÂÂ6 millimetres in diameter. It grows on rocky hills or in dry scrub forest on limestone.