Lithocarpus hatusimae
| Lithocarpus hatusimae | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fagales |
| Family: | Fagaceae |
| Genus: | Lithocarpus |
| Species: | L. hatusimae |
| Binomial name | |
| Lithocarpus hatusimae | |
Lithocarpus hatusimae is a tree in the family Fagaceae. It is endemic to western Borneo.
Description
Lithocarpus hatusimae grows as a tree up to 20 metres (70 ft) tall with a trunk diameter of up to 35 cm (10 in). The greyish brown bark is smooth or fissured. Its coriaceous leaves measure up to 18 cm (7 in) long. The dark brown acorns are ovoid to conical and measure up to 2.2 cm (1 in) across.[3]
Taxonomy
Lithocarpus hatusimae was first described by Engkik Soepadmo in Reinwardtia in 1970.[2] The type specimen was collected on Mount Kinabalu, in Sabah. The species is named for the Japanese botanist Sumihiko Hatusima.[3]
Distribution and habitat
Lithocarpus hatusimae is endemic to Borneo.[2][3] Its habitat is mixed dipterocarp (including kerangas) to montane forests from 800 m (3,000 ft) to 2,200 m (7,000 ft) elevation.[3]
Conservation
Lithocarpus hatusimae has been assessed as near threatened on the IUCN Red List. It is threatened by logging and by conversion of land for farming and urban development. However the species is in a number of protected areas in Sarawak and Sabah.[1]
References
- 1 2 Strijk, J.S.; Julia, S.; Khoo, E. (2025). "Lithocarpus hatusimae". IUCN Red List of Threatened Species. 2025 e.T138595670A225150396. doi:10.2305/IUCN.UK.2025-2.RLTS.T138595670A225150396.en. Retrieved 11 April 2026.
- 1 2 3 "Lithocarpus hatusimae Soepadmo". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 10 April 2026.
- 1 2 3 4 Soepadmo, E.; Julia, L.; Go, Rusea (2000). "Lithocarpus hatusimae (Seemen) A.Camus". In Soepadmo, E.; Saw, L. G. (eds.). Tree Flora of Sabah and Sarawak. (free online from the publisher, lesser resolution scan PDF versions). Vol. 3. Forest Research Institute Malaysia. p. 61. ISBN 983-2181-06-2. Archived from the original (PDF) on 27 September 2013. Retrieved 22 March 2018.