Ficus obscura (female)  growing in hill forest at Gunung Naning, West Kalimantan, Indonesian Borneo.

Previously considered  synonymous with Ficus scaberrima but split by Berg in 2011. In Sabah, Brunei and Sarawak  Ficus scaberrima is far more common. Ficus obscura is most common in SE Sabah. Both species occur together (sympatric) in the set aside oil palm fringing the virgin forest at Tawau Hills Park in SE Sabah. The two species are easy to distinguish. Ficus obscura figs and leaves are very hairy in all parts  compared to Ficus scaberrima. Also the figs of Ficus obscura  are twice the diameter of Ficus scaberrima.

Thanks to Ripin for all photos and information.