Acrocomia media is a species of palm

Arecaceae

Arecaceae or Palmae , are a family of flowering plants, the only family in the monocot order Arecales. There are roughly 202 currently known genera with around 2600 species, most of which are restricted to tropical, subtropical, and warm temperate climates...

 which is native to Puerto Rico

Puerto Rico

Puerto Rico , officially the Commonwealth of Puerto Rico , is an unincorporated territory of the United States, located in the northeastern Caribbean, east of the Dominican Republic and west of both the United States Virgin Islands and the British Virgin Islands.Puerto Rico comprises an...

 and the Virgin Islands

Virgin Islands

The Virgin Islands are the western island group of the Leeward Islands, which are the northern part of the Lesser Antilles, which form the border between the Caribbean Sea and the Atlantic Ocean...

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Description

Acrocomia media is a pinnate

Pinnate

Pinnate is a term used to describe feather-like or multi-divided features arising from both sides of a common axis in plant or animal structures, and comes from the Latin word pinna meaning "feather", "wing", or "fin". A similar term is pectinate, which refers to a comb-like arrangement of parts...

ly leaved palm with a solitary, stout stem. It usually reaches a height of 8 to 10 m (26.2 to 32.8 ft), sometimes growing up to 15 metres (49.2 ft) tall, with a stem diameter of 20 to 30 cm (7.9 to 11.8 in).

Taxonomy

American botanist George Proctor considered A. media to be a valid species on the basis of its shorter, more slender trunk, but other authors considered it a synonym of A. aculeata

Acrocomia aculeata

Acrocomia aculeata is a species of palm native to tropical regions of the Americas, from southern Mexico and the Caribbean south to Paraguay and northern Argentina. Common names include Grugru Palm, Macaúba Palm, Coyol Palm, and Macaw Palm; synonyms include A. lasiospatha, A. sclerocarpa, A. totai,...

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Common names

Acrocomia media is commonly known as coroso or palma de coroso in Puerto Rico.