Rubroshorea pinanga

Rubroshorea pinanga
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malvales
Family:	Dipterocarpaceae
Genus:	Rubroshorea
Species:	R. pinanga
Binomial name
Rubroshorea pinanga (Scheff.) P.S.Ashton & J.Heck. [2]
Synonyms [2]
Shorea compressa Burck Shorea pinanga Scheff.

Rubroshorea pinanga is a tree in the family Dipterocarpaceae, native to Borneo.

The species was first described as Shorea pinanga by Rudolph Scheffer in 1870. ^[2] The specific epithet pinanga is derived from a local name for the species. ^[3] In 2022 Peter Shaw Ashton and Jacqueline Heckenhauer placed the species in genus Rubroshorea as R. pinanga. ^[2]

Description

Rubroshorea pinanga grows up to 45 metres (150 ft) tall, with a trunk diameter of up to 1.3 m (4 ft). It has buttresses up to 1.5 m (5 ft) tall. The brown to pinkish bark is initially smooth, later becoming cracked and flaky. The leathery leaves are elliptic to ovate and measure up to 24 cm (9 in) long. The inflorescences bear pink flowers. ^[3]

Distribution and habitat

Rubroshorea pinanga is endemic to Borneo. Its habitat is mixed dipterocarp forests, to elevations of 900 m (3,000 ft). ^[1]

Conservation

Shorea pinanga has been assessed as least concern on the IUCN Red List. Although the species population is declining, it is still considered abundant. The species is used for its timber. It occurs in a number of protected areas. ^[1]

References

1. Robiansyah, I.; Kusumadewi, Y.; Julia, S.; Randi, A.; Hoo, P.K.; Khoo, E. & Maycock, C.R. (2019). "Shorea pinanga". IUCN Red List of Threatened Species . 2019 e.T36343A125630011. doi: 10.2305/IUCN.UK.2019-3.RLTS.T36343A125630011.en . Retrieved 6 February 2026.
2. "Rubroshorea pinanga". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 5 February 2026.
3. Ashton, P. S. (2004). "Shorea Roxb.". In Soepadmo, E.; Saw, L. G.; Chung, R. C. K. (eds.). Tree Flora of Sabah and Sarawak. Vol. 5. Forest Research Institute Malaysia. pp. 313–314. ISBN   983-2181-59-3.