 | This article relies largely or entirely on a single source .(October 2021) |
| Dipterocarpus palembanicus | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Dipterocarpaceae |
| Genus: | Dipterocarpus |
| Species: | D. palembanicus |
| Binomial name | |
| Dipterocarpus palembanicus | |
Dipterocarpus palembanicus is a species of tree in the family Dipterocarpaceae. [1] There are 2 subspecies: borneensis and palembanicus.
The Dipterocarpaceae are a family of 16 genera and about 695 known species of mainly tropical lowland rainforest trees. The family name, from the type genus Dipterocarpus, is derived from Greek and refers to the two-winged fruit. The largest genera are Shorea, Hopea, Dipterocarpus, and Vatica. Many are large forest-emergent species, typically reaching heights of 40–70 m, some even over 80 m, with the tallest known living specimen 93.0 m tall. The species of this family are of major importance in the timber trade. Their distribution is pantropical, from northern South America to Africa, the Seychelles, India, Indochina, Indonesia, Malaysia and Philippines. The greatest diversity of Dipterocarpaceae occurs in Borneo. Some species are now endangered as a result of overcutting, extensive illegal logging, and habitat conversion. They provide valuable woods, aromatic essential oils, balsam, and resins, and are a source for plywood.
Terminalia is a genus of large trees of the flowering plant family Combretaceae, comprising nearly 300 species distributed in tropical regions of the world. The genus name derives from the Latin word terminus, referring to the fact that the leaves appear at the very tips of the shoots.
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 is a genus of flowering plants and the type genus of family Dipterocarpaceae.
Dipterocarpus caudiferus is a species of tree in the family Dipterocarpaceae, endemic to Borneo. It grows as a large tree, up to 65 metres (200 ft) in height. Its habitat is mixed dipterocarp forests at altitudes up to 800 m (2,600 ft). Dipterocarpus caudiferus is threatened mainly by conversion of land for palm oil plantations.
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.
Hydnocarpus is a genus of medium to large trees in the Family Achariaceae; the genus was previously placed in the now defunct family Flacourtiaceae. Species have been recorded from Indochina, Indonesia, Malaysia and the Philippines.
Danum Valley Conservation Area is a 438 square kilometres tract of relatively undisturbed lowland dipterocarp forest in Sabah, Malaysia. It has an extensive diversity of tropical flora and fauna, including such species as the rare Bornean orangutans, gibbons, mousedeer, clouded leopards and over 270 bird species. Activities offered are jungle treks, river swimming, bird watching, night jungle tours and excursions to nearby logging sites and timber mills.
Dipterocarpus grandiflorus is a species of flowering plant in the Dipterocarpaceae family. It is an endangered medium hardwood tree in South-East Asia and India. Its wood is used to produce good quality charcoal, paper pulp, and timber sold under the Keruing designation. Its gum is used locally as a waterproofing varnish. The tree itself is very useful for nitrogen fixing, erosion control, soil improvement, and watershed regulation.
Hopea is a genus of plants in the family Dipterocarpaceae. The genus was named after John Hope, 1725–1786, the first Regius Keeper of the Royal Botanic Garden, Edinburgh. It contains some 113 species, distributed from Sri Lanka and southern India to southern China, and southward throughout Malesia to New Guinea. They are mainly main and subcanopy trees of lowland rainforest, but some species can become also emergent trees, such as Hopea nutans.
Ryparosa is a genus of plants in the family Achariaceae.
Vatica is a genus of plants in the family Dipterocarpaceae.
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 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 alatus, also known colloquially as the resin tree, is a tropical forest tree, of dense evergreen or mixed dense forests, in tropical Asia. It is considered vulnerable. It often occurs gregariously along river banks and is a key planting species for regenerating deforested land around the Dong Nai river and Cat Tien National Park.
Arthur Francis George Kerr (1877–1942) was an Irish medical doctor. He is known particularly now for his botanical work, which was important for the study of the flora of Thailand.
Dipterocarpus nudus is a tree in the family Dipterocarpaceae.
Hopea novoguineensis is a rainforest tree species in the Dipterocarpaceae family. It is found in New Guinea and on Halmahera, Maluku Province, Indonesia. The tree produces good timber.
Hemiscolopia is a genus of flowering plants belonging to the family Salicaceae.
Eleutherandra is a monotypic genus of flowering plants belonging to the family Achariaceae. The only species is Eleutherandra pes-cervi.
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