Rubroshorea scabrida

Rubroshorea scabrida
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Dipterocarpaceae
Genus: Rubroshorea
Species:
R. scabrida
Binomial name
Rubroshorea scabrida
(Symington) P.S.Ashton & J.Heck.
Synonyms[2]

Shorea scabrida Symington

Rubroshorea scabrida is a tree in the family Dipterocarpaceae which is native to Borneo and eastern Sumatra.[2]

The species was first described as Shorea scabrida by Colin Fraser Symington in 1935.[2] The specific epithet scabrida means 'rough', referring to the indumentum.[3] In 2022 Peter Shaw Ashton and Jacqueline Heckenhauer placed the species in genus Rubroshorea as R. scabrida.[2]

Description

Rubroshorea scabrida grows up to 45 metres (150 ft) tall, with a trunk diameter of up to 1 m (3 ft). It has buttresses up to 1.5 m (5 ft) tall. The bark is fissured. The leathery leaves are elliptic to obovate and measure up to 9 cm (4 in) long. The inflorescences bear cream flowers, pink at their base.[3]

Distribution and habitat

Rubroshorea scabrida is native to Borneo and Sumatra. Its habitat is kerangas forests, swamp forests or mixed dipterocarp forests to elevations of 1,200 m (4,000 ft).[1]

Conservation

Rubroshorea scabrida has been assessed as near threatened on the IUCN Red List. It is threatened by land conversion for agriculture. It is also threatened by logging for its timber, including the construction of logging roads. Mining activities and fires pose additional risks. R. scabrida does occur in a number of protected areas.[1]

References

  1. ^ a b c Barstow, M. (2020). "Shorea scabrida". IUCN Red List of Threatened Species. 2020 e.T36344A137729582. Retrieved 29 January 2023.
  2. ^ a b c d "Rubroshorea scabrida". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 9 February 2026.
  3. ^ a b 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. 331–332. ISBN 983-2181-59-3.