Dipterocarpus rigidus

Dipterocarpus rigidus
Conservation status
	; Vulnerable (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malvales
Family:	Dipterocarpaceae
Genus:	Dipterocarpus
Species:	D. rigidus
Binomial name
	Dipterocarpus rigidus; Ridl.

Dipterocarpus rigidus grows as a large tree up to 50 m (160 ft) tall, with a trunk diameter of up to 1 m (3 ft). The bark is rust-brown. The fruits are roundish, up to 5 cm (2 in) in diameter. Its habitat is mixed dipterocarp forest on low hills near coasts. Dipterocarpus rigidus is found in Sumatra, Peninsular Malaysia and Borneo.^[2]

References

^ Chua, L.S.L.; Cicuzza, D.; Ganesan, S.K; Hamidi, A.; Rachmat, H.H.; Julia, S.; Kusuma, Y.W.C.K; Kusumadewi, Y.; Ling, C.Y.; Randi, A.; Robiansyah, I.; Strijk, J.S. & Bodos, V. (2023). "Dipterocarpus rigidus". IUCN Red List of Threatened Species. 2023 e.T33079A215142686. doi:10.2305/IUCN.UK.2023-1.RLTS.T33079A215142686.en. Retrieved 25 February 2026.
^ ^a ^b Ashton, P. S. (September 2004). "Dipterocarpus rigidus Ridl.". 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. 120–121. ISBN 983-2181-59-3. Archived from the original (PDF) on 27 September 2013. Retrieved 21 August 2013.

[IUCN-1] Chua, L.S.L.; Cicuzza, D.; Ganesan, S.K; Hamidi, A.; Rachmat, H.H.; Julia, S.; Kusuma, Y.W.C.K; Kusumadewi, Y.; Ling, C.Y.; Randi, A.; Robiansyah, I.; Strijk, J.S. & Bodos, V. (2023). "Dipterocarpus rigidus". IUCN Red List of Threatened Species. 2023 e.T33079A215142686. doi:10.2305/IUCN.UK.2023-1.RLTS.T33079A215142686.en. Retrieved 25 February 2026.

[TFSS-2] Ashton, P. S. (September 2004). "Dipterocarpus rigidus Ridl.". 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. 120–121. ISBN 983-2181-59-3. Archived from the original (PDF) on 27 September 2013. Retrieved 21 August 2013.

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[2]