Ficus treubii at Kapit Sarawak. This is a male fig with purple coloured sap in the twigs.

See these articles: Ficus treubii:  Are male figs toxic to animals ?

Ficus treubii (male) The chameleon fig

Collection #1174 by Elliot Gardner

These photos were taken as part of a project entitled Ethnobotany and ethnotaxonomy of Moraceae in Sarawak supported by the National Parks Board of Singapore.