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Dipterocarpus confertus | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Malvales |
Family: | Dipterocarpaceae |
Genus: | Dipterocarpus |
Species: | D. confertus |
Binomial name | |
Dipterocarpus confertus | |
Dipterocarpus confertus is a species of plant in the family Dipterocarpaceae. The species is named derived from Latin (confertus = crammed together) and probably refers to the indumentum. [2] It is an emergent tree, up to 50 m (160 ft) tall. It is widespread in mixed dipterocarp forest on leached yellow clay soils up to 800 meters elevation. It is endemic to Borneo. The species is threatened by deforestation. [1] It is a medium hardwood sold under the trade names of Keruing. It is found in at least one protected area (Sepilok Forest Reserve).
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 elevation. 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 elevation. It is found in Sumatra and Borneo and occurs in at least three protected areas.
Lophostemon confertus, is an evergreen tree native to Australia, though it is cultivated in the United States and elsewhere. Common names include brush box, Queensland box, Brisbane box, pink box, box scrub, and vinegartree. Its natural range in Australia is north-east New South Wales and coastal Queensland but it is commonly used as a street tree in Sydney, Melbourne, Perth and other cities in eastern Australia.
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 condorensis is a species of plant in the evergreen or semi-evergreen family Dipterocarpaceae.
Dipterocarpus conformis is a species of plant in the family Dipterocarpaceae. The species is named derived from Latin and alludes to the great similarity in vegetative characters with two other large-leaved Dipterocarpus species. There are two subspecies; D. conformis subsp. conformis which is confined to Aceh and North Sumatra and D. conformis subsp. borneensis which is confined to Borneo. D. conformis subsp. borneensis is an emergent tree, up to 50 m tall, in mixed dipterocarp forest on clay soils over shale. It is a medium hardwood sold under the trade names of Keruing.
Dipterocarpus ochraceus is a tropical rainforest tree endemic to Sabah. It is known from the ultramafic hills in the Ranau district.
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) elevation. 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 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) elevation. D. sublamellatus is native to Sumatra, Peninsular Malaysia and Borneo.
Mandamai Forest Reserve is a protected forest reserve in Pitas District of Kudat Division in Sabah, Malaysia. It was designated as a Class 1 Protection Forest by the Sabah Forestry Department in 1984. Its area is 5,330 hectares (53.3 km2). The reserve is hilly, with the highest point being Mount Mabauk at 836 metres (2,743 ft). Two forest types make up the reserve: dipterocarp and kerangas. The main threat to the reserve forests is from fires.
Lipaso Forest Reserve is a protected forest reserve in Telupid District of Sandakan Division, Sabah, Malaysia. It was designated as a Class 1 Protection Forest by the Sabah Forestry Department in 1984. Its area is 3,606 hectares (36.06 km2). The reserve is mountainous with some palm oil plantations and farms in the surroundings. The forest is mostly mixed dipterocarp. Threats to the reserve forests include fires and encroachment for agriculture.