Biology:Shorea amplexicaulis

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Short description: Species of tree in the family Dipterocarpaceae

Shorea amplexicaulis
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Dipterocarpaceae
Genus: Shorea
Species:
S. amplexicaulis
Binomial name
Shorea amplexicaulis
P.S.Ashton[2]

Shorea amplexicaulis is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet amplexicaulis means "clasping the stem" and refers to the position of the leaf stalk or petiole.[3]

Description

Shorea amplexicaulis grows up to 50 metres (160 ft) tall, with a trunk diameter of up to 1.2 m (4 ft). It has buttresses. The smooth bark is greyish brown. The leathery leaves are elliptic and measure up to 21 cm (8 in) long. The inflorescences measure up to 24 cm (9 in) long and bear up to 11 yellow flowers. The nuts are egg-shaped and measure up to 3.7 cm (1.5 in) long.[3]

Distribution and habitat

Shorea amplexicaulis is endemic to Borneo. Its habitat is mixed dipterocarp forests, up to 700 m (2,300 ft) elevation.[1][3]

Conservation

Shorea amplexicaulis has been assessed as near threatened on the IUCN Red List. It is threatened by conversion of land for plantations and by logging for its timber. The species is found in some protected areas.[1]

References

  1. 1.0 1.1 1.2 Robiansyah, I.; Kusumadewi, Y.; Hoo, P.K.; Julia, S.; Khoo, E.; Maycock, C.R. (2019). "Shorea amplexicaulis". IUCN Red List of Threatened Species 2019: e.T36296A125629943. https://www.iucnredlist.org/species/36296/125629943. Retrieved 29 September 2022. 
  2. "Shorea amplexicaulis" (in en). Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/taxon/321196-1. Retrieved 29 September 2022. 
  3. 3.0 3.1 3.2 Ashton, P. S. (2004). "Shorea Roxb.". in Soepadmo, E.; Saw, L. G.; Chung, R. C. K.. Tree Flora of Sabah and Sarawak. 5. Forest Research Institute Malaysia. pp. 225–227. ISBN 983-2181-59-3. 

Wikidata ☰ Q17572499 entry