Dipterocarpaceae

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Dipterocarpaceae

[¦dip·tə·rō‚kär′pās·ē‚ē]
(botany)
A family of dicotyledonous plants in the order Theales having mostly stipulate, alternate leaves, a prominently exserted connective, and a calyx that is mostly winged in fruit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Dipterocarpaceae

 

a family of dicotyledonous choripetalous plants. There are about 330 species making up 17 genera (16 in tropical Asia and one in tropical Africa). Almost all the representatives of this family are evergreen trees attaining a height of 60-70 m. The leaves are alternate and with stipules; the flowers are regular, bisexual, and gathered into spikes, racemes, or panicles. There are five sepals and five petals, from five to 15 or more stamens, and one pistil with a three-celled ovary. The fruit is a monospermous nut surrounded by a calyx whose sepals become enlarged and help spread the fruit. Economically important are species of the genera Shorea, Dipterocarpus and Drioblanops, which yield valuable timber, dammar, balsam, camphor, and refractory fats.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
This notion has been called into question not only by evidence of the early role of forest products in the region's thriving international trade, but also by the discoveries of social scientists documenting local people's management techniques, including planting, protecting, and encouraging various species of Dipterocarps and other difficult to grow forest trees such as Borneo ironwood (Eusideroxylon zwagerii) and damar (Shorea, spp.).
Large emergents rise high above the main canopy in all the world's main rainforest regions, but different taxa dominate in different places: in southeast Asia large dipterocarp trees are particularly important emergents, but in other regions the emergents mainly belong to other families.
The influence of vertebrate predation on seed and seedling survival suggests that foraging behavior by terrestrial vertebrate seed predators may cause directional and/or stabilizing selection for synchronous, interspecific supra-annual dipterocarp seed production across forest regions in Kalimantan.
The botanical sites contain a variety of flora and fauna that ranges over four climate zones from rich lowland dipterocarp forest to alpine meadow plants, and finally the stunted bushes of the summit zone.
In the campus region with academic buildings and residences, some dipterocarp trees such as Shorea siamensis are growing by the B2 teaching building.
Today, it is a thriving forest with 226 native plant species, 34 of which are dipterocarp or hardwood trees native to the Philippines.
Within the primary dipterocarp forest of Ulu Temburong National Park lies the Kuala Belalong Field Studies Centre (KBFSC) (Fig.
Moreover dipterocarp forest revealed 17 phylogenetic lineages spread over 69 species primarily belonging to the /russula-lactarius, /tomentella-thelephora, /sordariales, /sebacina and /cantharellus lineages.
PEF Conservation Director Jayson Ibanez said that they were able to document 171 vertebrate species, mostly endemic, which are living in the dipterocarp forests found in the lowland areas.