- Species: Dryobalanops sumatrensis (J.F. Gmelin) A.J.G.H Kostermans
- Synonim: Dryobalanops aromatica C.F.Gaertn.
- Family: Dipterocarpaceae
- Vernacular name: Kapur, Kapur Barus
- Conservation status: Vulnerable (VU A2cd ver 3.1 IUCN 2018)
- Distribution: Sumatra, Kep. Riau, and western part of Kalimantan
Dryobalanops sumatrensis is a tree native to Indonesia, Malaysia and Brunei Darussalam. The tree grows naturally in lowland forest and dipterocarp forest particularly near the coastal areas. D. sumatrensis grows to a height of 60 meters with a diameter of 200 cm. The stem contains resin as dammar, called barus. The Leaves is simple, alternate, ovoid with small acuminate tip. The secondary venatioon is numerous, dense and obscure. Small flower measuring 5 mm. The fruit is 8-15 mm in diameter, and has 5 long similar wings.
Dryobalanops sumatrensis continues to experience a decrease in population. The main threat of the species is the decilining of quality as well as area of its habitat, especially in Borneo. The species is also threatened by the exploitation of wood to meet international market demands. In Indonesia this species is also uses for camphor production, that very valuable for export. The tapped activity for champor also increasing the risk to the species.
Barstow, M. & Randi, A. 2018. Dryobalanops sumatrensis. The IUCN Red List of Threatened Species 2018: e.T61998024A61998026. Downloaded on 01 March 2019.