Ficus recurva.
The photos in this article were taken by Quentin Phillipps at Mesilau, Kinabalu Park in October 2014 of a small fruiting twig that had been dropped by a foraging squirrel on the short path to the Mesilau Cave from the Kinabalu Park Mesilau Station offices.
Following an earthquake on 02 June 2015 Mesilau Station is now closed to to visitors.

Kinabalu Park Mesilau offices (now closed). Before the earthquake of 5 June 2015 the forest surrounding these buildings was one of the best places in Borneo to find rare endemic figs including F. virescens, F. detonsa, F. cavernicola, F. eumorpha and F. oleifolia.