Dipterocarpus stellatus

Last updated

Dipterocarpus stellatus
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Dipterocarpaceae
Genus: Dipterocarpus
Species:
D. stellatus
Binomial name
Dipterocarpus stellatus
Synonyms [2]
  • Dipterocarpus nobilisDyer

Dipterocarpus stellatus is a tree in the family Dipterocarpaceae. The specific epithet stellatus means "star-like", referring to its trichomes. [3]

Contents

Description

Dipterocarpus stellatus grows as a tree up to 65 metres (200 ft) tall, with a trunk diameter of up to 1 m (3 ft). The bark is pinkish brown. Its fruits are spiraled, up to 5 cm (2 in) long. [3]

Distribution and habitat

Dipterocarpus stellatus is endemic to Borneo. Its habitat is mixed dipterocarp forest to 800 m (2,600 ft) altitude. [3]

Conservation

Dipterocarpus stellatus has been assessed as vulnerable on the IUCN Red List. The species is threatened by land conversion to plantations for agriculture and by logging roads. Mining is considered a threat to the species in Kalimantan. [1]

Related Research Articles

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

Dipterocarpus retusus, commonly known as hollong, is a large tree and perhaps the best known species in the genus Dipterocarpus. It is native to China, Vietnam, Philippines, Laos, Cambodia, Malaysia, Indonesia, Myanmar, and India. The tree, some 20–30 metres (70–100 ft) tall, is found in Cambodia in dense forests of the plains, common on hillsides and along rivers and in forests between 800 m (2,600 ft) and 1,500 m (5,000 ft) altitude.

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 costulatus is a species of tree in the family Dipterocarpaceae. It grows up to 50 metres (160 ft) tall.

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.

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, with a population size of only twelve individuals, threatened mostly by habitat loss.

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 cuspidatus is a tree in the family Dipterocarpaceae.

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 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.

Helicia attenuata is a plant in the family Proteaceae. The specific epithet attenuata means "drawn out", referring to the leaf base.

Madhuca endertii is a plant in the family Sapotaceae.

Madhuca korthalsii is a tree in the family Sapotaceae. It is named for the Dutch botanist P. W. Korthals.

Madhuca sericea is a tree in the family Sapotaceae. The specific epithet sericea means "silky", referring to the indumentum.

Madhuca spectabilis is a tree in the family Sapotaceae. The specific epithet spectabilis means "spectacular", referring to the tree's appearance.

References

  1. 1 2 Kusumadewi, Y.; Maycock, C.R.; Hoo, P.K.; Julia, S.; Khoo, E.; Robiansyah, I. (2019). "Dipterocarpus stellatus". IUCN Red List of Threatened Species . 2019: e.T63021A136471097. doi: 10.2305/IUCN.UK.2019-3.RLTS.T63021A136471097.en . Retrieved 19 November 2021.
  2. 1 2 "Dipterocarpus stellatus". Plants of the World Online . Royal Botanic Gardens, Kew. Retrieved 5 September 2020.
  3. 1 2 3 Ashton, P. S. (September 2004). "Dipterocarpus stellatus Vesque". 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. 122, 124. ISBN   983-2181-59-3. Archived from the original (PDF) on 27 September 2013. Retrieved 21 August 2013.