Biology:Shorea collaris
| Shorea collaris | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Dipterocarpaceae |
| Genus: | Shorea |
| Species: | S. collaris
|
| Binomial name | |
| Shorea collaris Slooten[2]
| |
Shorea collaris is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet collaris means "neck" and refers to the calyx of the fruit.[3]
Description
Shorea collaris grows up to 50 metres (160 ft) tall, with a trunk diameter of up to 1.5 m (5 ft). It has buttresses measuring up to 2 m (7 ft) tall. The cracked bark is yellow to brown. The papery leaves are oblong to lanceolate and measure up to 23 cm (9 in) long. The inflorescences measure up to 9 cm (4 in) long and bear up to eight flowers. The nuts are egg-shaped and measure up to 3 cm (1 in) long.[3]
Distribution and habitat
Shorea collaris is endemic to Borneo. Its habitat is mixed dipterocarp forests, at elevations to 1,000 m (3,300 ft).[1]
Conservation
Shorea collaris has been assessed as vulnerable on the IUCN Red List. It is threatened by logging, including for its timber. It is also threatened by expansion of land for plantations, including for palm oil and other tree species. The species is not found in any protected areas.[1]
References
- ↑ 1.0 1.1 1.2 Kusumadewi, Y.; Julia, S.; Oldfield, S.; Linsky, J.; Randi, A.; Tsen, S. (2019). "Shorea collaris". IUCN Red List of Threatened Species 2019: e.T37530A149073899. https://www.iucnredlist.org/species/37530/149073899. Retrieved 1 October 2022.
- ↑ "Shorea collaris" (in en). Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/taxon/321238-1. Retrieved 1 October 2022.
- ↑ 3.0 3.1 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. 241–242. ISBN 983-2181-59-3.
Wikidata ☰ Q17572495 entry
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