Dryobalanops oblongifolia is a species of flowering plant in the family Dipterocarpaceae. It is a tree native to Borneo, Peninsular Malaysia, and Sumatra.

The species name is derived from Latin (oblongus = rather long and leaf (folium = leaf); and refers to the shape of the leaf.

Description

Both produce heavy hardwood timber, which is sold under the trade name of Kapur.

Subspecies

There are two subspecies:

  • Dryobalanops oblongifolia subsp. occidentalis P.S.Ashton (synonyms = Dryobalanops beccariana Ridl. & Dryobalanops ovalifolia Burkill) — found in Sumatra and Peninsular Malaysia.