Dipterocarpus | GOTO 95

Dipterocarpus

Dipterocarpus is a genus of flowering plants and the type genus of family Dipterocarpaceae.

Dipterocarpus is the third-largest and most diverse genus among the Dipterocarpaceae. The species are well known for timber, but less acknowledged for use in traditional herbal medicine. The genus has about 70 species, occurring in South Asia and Southeast Asia, from Sri Lanka and India to the Philippines. It is an important component of dipterocarp forests. Its generic name comes from Greek and means "two-winged fruits".

The greatest diversity of Dipterocarpus species occurs on Borneo, with many endemic to the island. The oldest fossil of the genus, and Dipterocarpaceae, is from the latest Cretaceous (Maastrichtian) Intertrappean Beds of India.

Uses

The genus is of considerable importance as timber trees and for producing resinous oil, sold under the trade name Keruing, although not as important as Shorea species. D. turbinatus, gurjan, is a major commercial timber species found in the Andaman islands. Gurjan wood is very important for making plywood.

Accepted species

There are 65 accepted species:

Dipterocarpus acutangulus Vesque - Peninsular Thailand, Peninsular Malaysia, and Borneo

Dipterocarpus alatus Roxb. ex G.Don - northeastern India, Sri Lanka, Indochina, Peninsular Malaysia, and Philippines

Dipterocarpus applanatus Slooten - Borneo

Dipterocarpus baudii Korth. - Bangladesh, Indochina, Peninsular Malaysia, and Sumatra

Dipterocarpus borneensis Sooten - Borneo and Sumatra

Dipterocarpus bourdillonii Brandis - southwestern India

Dipterocarpus caudatus -

Dipterocarpus caudiferus Merr. - Borneo

Dipterocarpus chartaceus Symington - Peninsular Thailand and Peninsular Malaysia

Dipterocarpus cinereus Slooten - central Sumatra

Dipterocarpus concavus Foxw. - Peninsular Malaysia and Sumatra

Dipterocarpus condorensis Pierre - Vietnam (Con Dao) and Philippines (Luzon and Mindanao)

Dipterocarpus confertus Slooten - Borneo

Dipterocarpus conformis Slooten - northern Sumatra

Dipterocarpus coriaceus Slooten - Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus cornutus Dyer - Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus costatus C.F.Gaertn. - Bangladesh, Indochina, and Peninsular Malaysia

Dipterocarpus costulatus Slooten - Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus crinitus Dyer - Peninsular Thailand, Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus cuspidatus P.S.Ashton - Borneo (northeastern Sarawak)

Dipterocarpus dyeri Pierre ex Laness. - Indochina, northern Peninsular Malaysia, and northwestern Borneo

Dipterocarpus elongatus Korth. - Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus eurhynchus Miq. - Peninsular Malaysia, Sumatra, Borneo, southern Philippines

Dipterocarpus fagineus Vesque - Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus fusiformis P.S.Ashton - northeastern Borneo

Dipterocarpus geniculatus Vesque - Borneo

Dipterocarpus glabrigemmatus P.S.Ashton - Borneo

Dipterocarpus glandulosus Thwaites - southwestern Sri Lanka

Dipterocarpus globosus Vesque - Borneo

Dipterocarpus gracilis Blume - Assam to western Malesia and the Philippines

Dipterocarpus grandiflorus(Blanco) Blanco - Bangladesh to Indochina, western Malesia, and the Philippines. The wood is sold as keruing timber

Dipterocarpus hasseltii Blume - Indochina, western Malesia, Philippines, and Lesser Sunda Islands

Dipterocarpus hispidus Thwaites - Sri Lanka

Dipterocarpus humeratus Slooten - Sumatra and Borneo

Dipterocarpus indicus Bedd. - southwestern India

Dipterocarpus insignis Thwaites - Sri Lanka

Dipterocarpus intricatus Dyer - Thailand, Cambodia, Laos, and Vietnam

Dipterocarpus kerrii King - Myanmar, Thailand, Peninsular Malaysia, Sumatra, Borneo, and the Philippines. The wood is sold as keruing timber

Dipterocarpus kunstleri King - Peninsular Malaysia, Sumatra, Borneo, and the Philippines

Dipterocarpus lamellatus Hook.f. - Borneo (southwestern Sabah)

Dipterocarpus littoralis Blume - southern Java

Dipterocarpus lowii Hook.f. - Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus mundus Slooten - central Borneo

Dipterocarpus nudus Vesque - northwestern Borneo

Dipterocarpus oblongifolius Blume - southern Peninsular Thailand, Peninsular Malaysia, and Borneo

Dipterocarpus obtusifolius Teijsm. ex Miq. - Indochina and Peninsular Malaysia

Dipterocarpus ochraceus Meijer - northern Borneo

Dipterocarpus orbicularis Foxw. - Philippines (Luzon)

Dipterocarpus pachyphyllus Meijer - northern and northwestern Borneo

Dipterocarpus palembanicus Slooten - Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus perakensis P.S.Ashton - Peninsular Malaysia

Dipterocarpud pseudocornutus P.S.Ashton - Philippines

Dipterocarpus retusus Blume - Assam and Tibet to China (Yunnan), Indochina, Peninsular Malaysia, Sumatra, Java, and Lesser Sunda Islands

Dipterocarpus rigidus Ridl. - Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus rotundifolius Foxw. - Peninsular Malaysia

Dipterocarpus sarawakensis Slooten - eastern Peninsular Malaysia and Borneo. Locally called the Sarawak keruing

Dipterocarpus scaber Buch.-Ham. - Bangladesh

Dipterocarpus semivestitus Slooten - Peninsular Malaysia (Perak) and southeastern Borneo

Dipterocarpus stellatus Vesque - western Borneo

Dipterocarpus sublamellatus Foxw. - Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus tempehes Slooten - Borneo

Dipterocarpus tuberculatus Roxb. - Bangladesh to Indochina

Dipterocarpus turbinatus C.F.Gaertn. - eastern India to Indochina. The wood is sold as keruing timber

Dipterocarpus validus Blume - northern and eastern Borneo to the Philippines

Dipterocarpus verrucosus Foxw. ex Slooten - Peninsular Thailand, Peninsular Malaysia, Sumatra, and Borneo

Dipterocarpus zeylanicus Thwaites - Sri Lanka

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