Richetia angustifolia

Richetia angustifolia
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Dipterocarpaceae
Genus: Richetia
Species:
R. angustifolia
Binomial name
Richetia angustifolia
(P.S.Ashton) P.S.Ashton & J.Heck. (2022)
Synonyms[2]

Shorea angustifolia P.S.Ashton (1962)

Richetia angustifolia is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet angustifolia means 'narrow-leaved'.[3]

Description

Richetia angustifolia grows up to 40 metres (130 ft) tall, with a trunk diameter of up to 90 cm (3 ft). It has buttresses. The flaky bark is greyish tan in colour. The leathery leaves are ovate to lanceolate and measure up to 14 cm (6 in) long. The inflorescences measure up to 10 cm (4 in) long and bear up to eight cream-coloured flowers. The nuts are egg-shaped and measure up to 0.8 cm (0.3 in) long.[3]

Distribution and habitat

Richetia angustifolia is endemic to Borneo. Its habitat is mixed dipterocarp forests at elevations of 500–1,200 m (1,600–3,900 ft).[1][3]

Conservation

Richetia angustifolia has been assessed as near threatened on the IUCN Red List. It is threatened by the conversion of land for plantations, including those for palm oil. It is also threatened by logging, sometimes for its timber. The species occurs in several protected areas, including national parks.[1]

References

  1. ^ a b c Robiansyah, I.; Julia, S.; Kusumadewi, Y.; Wilkie, P.; Pereira, J.; Linsky, J.; Randi, A.; Oldfield, S. & Tsen, S. (2019). "Shorea angustifolia". IUCN Red List of Threatened Species. 2019: e.T37528A137420421. Retrieved 29 September 2022.
  2. ^ "Richetia angustifolia (P.S.Ashton) P.S.Ashton & J.Heck". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 16 October 2024.
  3. ^ a b c 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. p. 228. ISBN 983-2181-59-3.