Lithocarpus mariae

Lithocarpus mariae
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Lithocarpus
Species:
L. mariae
Binomial name
Lithocarpus mariae

Lithocarpus mariae is a tree in the beech family Fagaceae. It is endemic to Borneo.

Description

Lithocarpus mariae grows as a tree up to 35 m (110 ft) tall with a trunk diameter of up to 60 cm (24 in) and buttresses measuring up to 0.7 m (2 ft) high. Its greyish bark is smooth and lenticellate. The coriaceous leaves measure up to 13 cm (5 in) long. The flowers are solitary along the rachis. Its dark brown acorns are ovoid and measure up to 3.5 cm (1.4 in) long.

Taxonomy

Lithocarpus mariae was first described by Indonesian botanist Engkik Soepadmo in 1970. The type specimen was collected at Mount Lundu in Sarawak. The specific epithet honours the Dutch botanical biographer Maria Johanna van Steenis-Kruseman.

Distribution and habitat

Lithocarpus mariae is endemic to Borneo. It grows in mixed hill dipterocarp rain forest from 300–800 m (1,000–2,600 ft) elevation.

Conservation

Lithocarpus mariae has been assessed as vulnerable on the IUCN Red List. It is threatened by logging and conversion of land for farming. The species is present in protected areas in Sarawak and Sabah.

References

  1. 1 2 3 Strijk, J.S.; Ling, C.Y.; Khoo, E.; Julia, S. (2025). "Lithocarpus mariae". IUCN Red List of Threatened Species. 2025 e.T138596284A225159075. doi:10.2305/IUCN.UK.2025-2.RLTS.T138596284A225159075.en. Retrieved 12 April 2026.
  2. 1 2 3 "Lithocarpus mariae Soepadmo". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 11 April 2026.
  3. 1 2 3 Soepadmo, E.; Julia, L.; Go, Rusea (2000). "Lithocarpus mariae Soepadmo". 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. 73. ISBN 983-2181-06-2. Archived from the original (PDF) on 2013-09-27. Retrieved 2018-06-11.