The photo shows a Velcro Fig Ficus  recurva var pedicellata growing on an old logging stump in hill forest in the Gunung Rara forest Reserve  in SE Sabah, Malaysian Borneo.  Note Name change to Ficus uncinulata

The stump has rapidly been colonized by a local root climbing fig and the photos show all states of growth including bathyphyll and acrophyll leaves.

Thanks to Linus Gokusing for information and photos. See also

Chung et al (2018) Gunung Rara Forest Reserve  Biodiversity Survey

Chung et al (2018) Gunung Rara Forest Reserve SSJ39-54