Trigonobalanus excelsa (Roble Negro)
Endemic to Colombia, Trigonobalanus excelsa is a forest tree known as roble negro. It occurs in the Andes, with documented populations in departments including Huila, Santander and Valle del Cauca. Botanical collections place it at about fifty-four hundred to sixty-nine hundred feet. The species is classified as Endangered globally and Vulnerable in Colombia, reflecting the limited extent of its remaining forest populations. Photographed in Colombia.