The common Malaysian name for the tree and timber of Vernonia arborea (Compositae). Vernacular names applied include medang gambong (Peninsular Malaysia), medang lempong (Peninsular Malaysia) and tapong-tapong (Sabah). Only one species has been recorded in this country, viz. V. arborea. The sapwood is not differentiated from the heartwood, which is light straw-coloured.
Also known as Merabung (Indonesia); and Malasambong (Philippines).
The timber is soft and light with a density of 305-465 kg/m3 air dry.
It is non-durable.
Texture is rather coarse but even, with straight grain.
The timber can be worked easily.
The timber seasons well.
Uses of the timber include temporary construction, household appliances and matches, carving and wooden clogs.
Wong, T. M. 1982. A Dictionary of Malaysian Timbers. Revised by Lim, S. C. & Chung, R. C. K. Malayan Forest Record No. 30. Forest Research Institute Malaysia Kuala Lumpur. 201 pp.