Three typical drift seeds found on Borneo’s beaches, in this case from Pulau Maratua in East Kalimantan.
TOP: Ochrosia oppositifolia (APOCYNACEAE)
MIDDLE: Lithocarpus acorn (FAGACEAE)
BOTTOM: Calophyllum macrocarpum (CALOPHYLLACEAE)
Ochrosia oppositifolia drift seed from a beach on Pulau Maratua. O. oppositifolia is a small forest tree of rocky or sandy shores where it grows in beach forest to around 20 m. This tree is common on the nearby island of Pulau Kakaban where it grows in association with Pandanus dubius in the forest that lines the rocky coast
