The common Malaysian name for the trees and timber of Agrostistachys spp. (Euphorbiaceae). Vernacular names applied include beko-beko (Peninsular Malaysia), julong-julong (Peninsular Malaysia), julong-julong jantan (Peninsular Malaysia), kayu garang (Sabah), lidah kerbau (Peninsular Malaysia), nulong (Peninsular Malaysia) and nyonyolong (Peninsular Malaysia). Major species include A. borneensis and A. gaudichaudii. The sapwood is not differentiated from the heartwood, which is brown with a rose-pink tinge or pale yellow.
The timber is moderately hard to hard and moderately heavy to heavy with a density of 685-940 kg/m3 air dry.
Texture is fine and even with straight grain.
The timber is suitable for walking sticks, fence poles, fuelwood, pulp and paper. The logs have been used for mushroom cultivation.
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.