Dipterocarpus lamellatus

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Dipterocarpus lamellatus
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Dipterocarpaceae
Genus: Dipterocarpus
Species:
D. lamellatus
Binomial name
Dipterocarpus lamellatus

Dipterocarpus lamellatus is a tropical rainforest tree endemic to Borneo. It is known from the Beaufort Hills, the Siangau Forest Reserve and Labuan in SW Sabah and Ladan Hills in the Tutong district of Brunei. It is one of the rarest and most endangered of all dipterocarps, [1] [2] with a population size of only twelve individuals, threatened mostly by habitat loss. [3]

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Dipterocarpus acutangulus is a species of tree in the family Dipterocarpaceae. The species name acutangulus is derived from Latin and refers to the ribs of the fruit calyx tube. It is native to peninsular Thailand and Malaysia and also Borneo, where it is locally known as keruing merkah or keruing beludu. It is an emergent tree up to 60 m tall. The tree occurs in mixed dipterocarp forests found on sandy and sandy clay soils on coastal hills and inland ridges, up to 1000 m altitude. It occurs in at least one protected area.

Dipterocarpus humeratus is a species of tree in the family Dipterocarpaceae. The species name humeratus is derived from Latin and refers to the articulated petiole. D. humeratus is an emergent tree, up to 50 m tall, found in mixed dipterocarp forests on well-drained clay soils. The species is found scattered or semi-gregarious on undulating land and clay ridges below 700 m altitude. It is found in Sumatra and Borneo and occurs in at least three protected areas.

Anisophyllea impressinervia is a tree of Borneo in the family Anisophylleaceae. The specific epithet impressinervia is from the Latin meaning "sunken veins", referring to the leaf veins.

<i>Parashorea malaanonan</i> Species of plant in the family Dipterocarpaceae

Parashorea malaanonan is a species of plant in the family Dipterocarpaceae. it is found in the Philippines and the northeast coast of Sabah in Borneo. The name malaanonan is derived from Tagalog and is a putative vernacular name for this species. It is a large emergent tree, up to 60 m, found in mixed dipterocarp forests on deep friable clay soils. It can still be found in forest reserves in the east coast of Sabah although elsewhere it is threatened by habitat loss. The timber is a light hardwood sold under the trade name of white lauan or white seraya.

Shorea argentifolia is an emergent rainforest tree species in the family Dipterocarpaceae. It native to Borneo. The species is threatened by habitat loss. The tallest recorded specimen is 84.9 m tall in the Tawau Hills National Park, in Sabah.

Shorea kudatensis is a species of tree in the family Dipterocarpaceae. It is endemic to Borneo, in low coastal hills of the north and west of Malaysian Sabah.

Shorea superba is a species of plant in the family Dipterocarpaceae. The species name is derived from Latin and refers to the stature and elegance of the tree.

<i>Dipterocarpus caudatus</i> Species of tree

Dipterocarpus caudatus is a species of plant in the evergreen or semi-evergreen family Dipterocarpaceae. The species name is derived from Latin and refers to the narrow acumen of the leaf apex. It is an emergent tree, up to 50 m tall, in mixed dipterocarp forest on dry ridges. It is found within Sumatra, coastal Peninsular Malaysia, Singapore and Borneo. It is a medium hardwood sold under the trade names of Keruing. It was formerly most abundant along the coastal hills on sandy soils, but is endangered due to land conversion. D. caudatus is found in at least one protected area.

Dipterocarpus confertus is a species of plant in the family Dipterocarpaceae. The species is named derived from Latin and probably refers to the indumentum. It is an emergent tree, up to 50 m tall, in mixed dipterocarp forest on leached yellow clay soils. It is endemic to Borneo. The species is threatened by deforestation. It is a medium hardwood sold under the trade names of Keruing. It is found in at least one protected area.

Dipterocarpus ochraceus is a tropical rainforest tree endemic to Sabah. It is known from the ultramafic hills in the Ranau district.

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Dipterocarpus fagineus grows as a medium-sized tree up to 45 metres (150 ft) tall, with a trunk diameter of up to 1 metre (3 ft). Bark is greyish brown. The fruits are roundish to ellipsoid, up to 1 cm (0.4 in) long. The specific epithet fagineus is from the Latin meaning "like a beech". Habitat is mixed dipterocarp forest on hills. D. fagineus is found in Sumatra, Peninsular Malaysia and Borneo.

Dipterocarpus kunstleri grows as a canopy tree up to 40 metres (130 ft) tall, with a trunk diameter of up to 1 metre. Bark is orange-brown. Fruit is ellipsoid, up to 5 centimetres (2.0 in) long. Habitat is mixed dipterocarp forest from sea-level to 400 metres (1,300 ft) altitude. D. kunstleri is found in Sumatra, Peninsular Malaysia, Borneo and the Philippines.

Dipterocarpus lowii is a tree in the family Dipterocarpaceae.

Dipterocarpus nudus is a tree in the family Dipterocarpaceae.

Dipterocarpus oblongifolius grows as a tree up to 30 metres (100 ft) tall, with a trunk diameter of up to 1.5 metres. Bark is greyish brown. The fruits are ovoid to spindle-shaped, up to 3 cm (1 in) long. The specific epithet oblongifolius is from the Latin meaning "oblong leaves". Habitat is river banks from sea-level to 400 metres (1,300 ft) altitude. D. oblongifolius is found in Thailand, Peninsular Malaysia and Borneo.

Dipterocarpus pachyphyllus is a tree in the family Dipterocarpaceae. The specific epithet pachyphyllus means "thick leaves".

Dipterocarpus rigidus grows as a large tree up to 50 metres (160 ft) tall, with a trunk diameter of up to 1 metre. Bark is rust-brown. The fruits are roundish, up to 5 cm (2 in) in diameter. Habitat is mixed dipterocarp forest on low hills near coasts. D. rigidus is found in Sumatra, Peninsular Malaysia and Borneo.

Dipterocarpus stellatus is a tree in the family Dipterocarpaceae. The specific epithet stellatus means "star-like", referring to its trichomes.

Dipterocarpus sublamellatus grows as a large tree up to 70 metres (230 ft) tall, with a trunk diameter of up to 3 metres (10 ft). Bark is orange-brown. The fruits are round, up to 3 cm (1 in) in diameter. It is found in a variety of now vulnerable habitats from sea-level to 400 metres (1,300 ft) altitude. D. sublamellatus is native to Sumatra, Peninsular Malaysia and Borneo.

References

  1. 1 2 Maycock, C.R.; Khoo, E.; Lee, Y.L.; Maryani, A.; Nilus, R.; Pereira, J.T.; Sugau, J.; Hoo, P.K. (2019). "Dipterocarpus lamellatus". IUCN Red List of Threatened Species . 2019: e.T33086A136325721. doi: 10.2305/IUCN.UK.2019-2.RLTS.T33086A136325721.en .
  2. 1 2 Ashton, P. S. (September 2004). "Dipterocarpus lamellatus Hook.f.". In Soepadmo, E.; Saw, L. G.; Chung, R. C. K. (eds.). Tree Flora of Sabah and Sarawak. (free online from the publisher, lesser resolution scan PDF versions). Vol. 5. Forest Research Institute Malaysia. pp. 113–114. ISBN   983-2181-59-3. Archived from the original (PDF) on 27 September 2013. Retrieved 9 November 2007.
  3. Baillie, Jonathan E M; Ellen R Butcher (2012). Priceless or Worthless? (PDF). Zoological Society of London. ISBN   978-0-900881-67-1. Archived from the original (PDF) on 21 October 2012. Retrieved 28 January 2016.