| Hopea helferi | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Dipterocarpaceae |
| Genus: | Hopea |
| Species: | H. helferi |
| Binomial name | |
| Hopea helferi (Dyer) Brandis | |
| Synonyms | |
| |
Hopea helferi is a critically endangered species of plant in the family Dipterocarpaceae. It is found in Cambodia, the Andaman Islands of India, Peninsular Malaysia, Myanmar, and Thailand. [1]
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.
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.
Hopea basilanica is a species of plant in the family Dipterocarpaceae. It is endemic to the Philippines.
Hopea brachyptera is a species of plant in the family Dipterocarpaceae. It is endemic to the Philippines.
Hopea chinensis is a species of medium-sized tree in the family Dipterocarpaceae. It is found in China and northern Vietnam.
Hopea discolor is a species of plant in the family Dipterocarpaceae. It is endemic to Sri Lanka.
Hopea erosa is a species of plant in the family Dipterocarpaceae. It is endemic to the southern end of the Western Ghats in India.
Hopea fluvialis is a species of plant in the family Dipterocarpaceae.
Hopea jacobi is a critically endangered species of plant in the family Dipterocarpaceae. It is endemic to the Western Ghats of Kodagu district in Karnataka, India.
Hopea malibato is a species of plant in the family Dipterocarpaceae. It is endemic to the Philippines.
Hopea nutans is a large rainforest tree species in the family Dipterocarpaceae. It is found in Peninsular Malaysia and Borneo. The tallest measured specimen is 82.8 m tall in the Tawau Hills National Park, in Sabah on the island of Borneo.
Hopea odorata, or ta-khian, is a species of plant in the family Dipterocarpaceae. It is found in Bangladesh, Cambodia, India, Laos, Malaysia, Myanmar, Thailand, and Vietnam. It is a large tree reaching up to 45 m in height with the base of the trunk reaching a diameter of 4.5 m. It grows in forests, preferably near rivers, at altitudes between 0 and 600m. In places such as West Bengal and the Andaman Islands it is often planted as a shade tree. Valued for its wood, it is a threatened species in its natural habitat.
Hopea parviflora is a species of plant in the family Dipterocarpaceae. It is endemic to India. It is called 'kampakam' or 'thampakam' in Malayalam and கோங்கு 'vellaikongu' or 'irubogam' in Tamil. Hopea parviflora is a tree growing 30 – 37 metres tall. The bole can be 150 cm in diameter. The tree produces a beautiful timber and is commonly harvested from the wild, both for local use and for trade. The plant is classified as 'Endangered' in the IUCN Red List of Threatened Species.
Hopea quisumbingiana is a species of plant in the family Dipterocarpaceae. It is endemic to the Philippines.
Hopea racophloea is a species of plant in the family Dipterocarpaceae. It is native to Kerala and Karnataka in India.
Hopea recopei is a species of plant in the family Dipterocarpaceae. It is found in Cambodia, Laos, Thailand, and Vietnam. It was collected by Pierre, J.B.L. on 03–1867. It is Herbarium Specimens. Hopea recopei is primari located in Dinh ad Baria, austro coch. It was originated in Vietnam, Arbor 35 meter. Its Herbarium is Royal Botanic Gardens.
Hopea reticulata is a species of tree in the family Dipterocarpaceae. It is found in Thailand and Vietnam. Some authors include Hopea exalata of Hainan, China to this species.
Hopea shingkeng was a species of plant in the family Dipterocarpaceae. It was endemic to the eastern Himalaya region of India.
Hopea vaccinifolia is a species of plant in the family Dipterocarpaceae. Its name is from the foliage being ' Vaccinium like.'
Hopea wyatt-smithii is a species of plant in the family Dipterocarpaceae. It is endemic to Borneo.
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