Ilex cookii is a species of plant

Plant

Plants are living organisms belonging to the kingdom Plantae. Precise definitions of the kingdom vary, but as the term is used here, plants include familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, mosses, and green algae. The group is also called green plants or...

 in the Aquifoliaceae family. It is endemic 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...

. It is threatened by habitat loss. It is a federally listed endangered species

Endangered species

An endangered species is a population of organisms which is at risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters...

 of the United States.

This tree is only known from a single specimen and a few seedlings in the cloud forest

Cloud forest

A cloud forest, also called a fog forest, is a generally tropical or subtropical evergreen montane moist forest characterized by a persistent, frequent or seasonal low-level cloud cover, usually at the canopy level. Cloud forests often exhibit an abundance of mosses covering the ground and...

s on Cerro de Punta

Cerro de Punta

Cerro de Punta or just Cerro Punta is the highest peak in Puerto Rico, raising to above sea level. It is located in the municipality of Ponce.-Location:...

 and Monte Jayuya

Monte Jayuya

Monte Jayuya is the second highest peak of Puerto Rico measuring above sea level. The mountain is located in the Cordillera Central, on the border between the municipalities of Jayuya and Ponce....

on Puerto Rico. Other specimens were probably destroyed when a communications tower was installed on Cerro de Punta.