Semecarpus angulatus
| Semecarpus angulatus | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Sapindales |
| Family: | Anacardiaceae |
| Genus: | Semecarpus |
| Species: | S. angulatus |
| Binomial name | |
| Semecarpus angulatus | |
Semecarpus angulatus is a flowering plant in the family Anacardiaceae. It is native to Borneo.[3]
Description
Semecarpus angulatus grows as a tree up to 6 m (20 ft) tall, with a stem diameter of up to 5 cm (2 in). It has brown to grey twigs. The leathery leaves are lanceolate and measure up to 31.5 cm (12 in) long and to 12.5 cm (4.9 in) wide. The inflorescences are in clusters and measure up to 19 cm (7.5 in) long.[3]
Taxonomy
Semecarpus angulatus was described by Malaysian botanist Kizhakkedathu Mathai Kochummen in Sandakania in 1996.[2] The type specimen was collected in Kalabakan District, Borneo. The specific epithet angulatus means 'angular', referring to the axes of the inflorescense.[3]
Distribution and habitat
Semecarpus angulatus is endemic to Borneo, where it is known only from Kalabakan District of Sabah. Its habitat is in lowland dipterocarp forests, at elevations of 150–170 m (500–600 ft).[1][3]
Conservation
Semecarpus angulatus has been assessed as critically endangered (possibly extinct) on the IUCN Red List. Much of its habitat has been converted to palm oil plantations. It is not known to be present in any protected areas.[1]
References
- 1 2 3 Damit, A.; Khoo, E.; Maycock, C.R.; Nilus, R.; Pereira, J.T.; Sugau, J. & Maryani, A. (2019). "Semecarpus angulatus". IUCN Red List of Threatened Species. 2019 e.T136619658A136620020. doi:10.2305/IUCN.UK.2019-2.RLTS.T136619658A136620020.en. Retrieved 8 April 2026.
- 1 2 "Semecarpus angulatus Kochummen". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 8 April 2026.
- 1 2 3 4 Kochummen, K. M. (1996). "Semecarpus L.f.". In Soepadmo, E.; Wong, K. M.; Saw, L. G. (eds.). Tree Flora of Sabah and Sarawak. Vol. 2. Forest Research Institute Malaysia. p. 74. ISBN 983-9592-56-4.