Dryobalanops oblongifolia
| Dryobalanops oblongifolia | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Dipterocarpaceae |
| Genus: | Dryobalanops |
| Species: | D. oblongifolia
|
| Binomial name | |
| Dryobalanops oblongifolia | |
| Subspecies[3] | |
| |
Dryobalanops oblongifolia is a species of flowering plant in the family Dipterocarpaceae. It is a tree native to Borneo, Peninsular Malaysia, and Sumatra.[3]
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. oblongifolia (synonym = Baillonodendron malayanum F.Heim) is endemic to the island of Borneo. It is found in at least one protected area (Kubah National Park), but is threatened elsewhere due to habitat loss.[2] It is an emergent tree, up to 60 m tall, found in mixed dipterocarp forest on sandy clay soils.[2]
- Dryobalanops oblongifolia subsp. occidentalis P.S.Ashton (synonyms = Dryobalanops beccariana Ridl. & Dryobalanops ovalifolia Burkill) — found in Sumatra and Peninsular Malaysia.
References
- ^ Barstow, M. 2018. Dryobalanops oblongifolia. The IUCN Red List of Threatened Species 2018: e.T63023A68070307. https://dx.doi.org/10.2305/IUCN.UK.2018-1.RLTS.T63023A68070307.en. Accessed 19 February 2026.
- ^ a b c Ashton, P. S. (September 2004). "Dryobalanops oblongifolia Dyer". In Soepadmo, E.; Saw, L. G.; Chung, R. C. K. (eds.). Tree Flora of Sabah and Sarawak. (free online from the publisher, lesser resolution scan PDF versions). Vol. 5. Forest Research Institute Malaysia. pp. 136–137. ISBN 983-2181-59-3. Archived from the original (PDF) on 27 September 2013. Retrieved 13 November 2007.
- ^ a b "Dryobalanops oblongifolia Dyer". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 19 February 2026.