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 ?
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.