Ficus lumutana is closely related to Ficus glandulifera. The most important difference is that Ficus glandulifera is much more hairy in all parts. For other differences see Ficus glandulifera: Introduction.

Ficus glandulifera Arlene 02 02 enhanced .JPG
Ficus lumutana Kg Belingos near Bangar, Temburong Brunei. Photos by Arlene Walshe
Ficus glandulifera Arlene 03 01 enhanced .JPG
Based on the birds that came to feed on the figs- this must be a female tree. on a male tree the figs would split open when ripe and would not be eaten by birds or mammals.