Ficus geocharis is a locally common geocarpic (earth fig) fig found throughout forested Borneo. The leaves have a distinctive small ” ear” (auricle) one one side of the base of the leaf blade.
Photo by George Weiblen of collection GW888-1 at Gunung Palung an isolated forest covered extinct volcanic crater on the coast of West Kalimantan.
Laman & Weiblen (1998) Figs of Gng Palung NP Kalimantan