Aquilaria crassna

Botanical Description

Aquilaria crassna is an evergreen tree with an open crown; usually growing 15 - 20 metres tall but with exceptional specimens to 30 metres[ 325 Title Seed Leaflets Publication Author Various Website http://en.sl.life.ku.dk/Publikationer/Udgivelser/PopulaerPublikationer.aspx?katid={D28373CC-6EF3-4EF8-B097-6D83FABF209E}&serieid={9F1C3DB1-6E7B-4CF1-AF53-F480B0CB40EF}&sort=title Publisher Forest & Landscape. Denmark Year 0 ISBN Description A series of leaflets, jointly produced by the University of Copenhagen and the Royal Botanic Gardens at Kew, focussing on seed information for a number species, but also giving a lot of other information about each plant. ]. The bole is 40 - 60cm in diameter, exceptionally to 100cm[ 325 Title Seed Leaflets Publication Author Various Website http://en.sl.life.ku.dk/Publikationer/Udgivelser/PopulaerPublikationer.aspx?katid={D28373CC-6EF3-4EF8-B097-6D83FABF209E}&serieid={9F1C3DB1-6E7B-4CF1-AF53-F480B0CB40EF}&sort=title Publisher Forest & Landscape. Denmark Year 0 ISBN Description A series of leaflets, jointly produced by the University of Copenhagen and the Royal Botanic Gardens at Kew, focussing on seed information for a number species, but also giving a lot of other information about each plant. ]. The aromatic resin obtained from this tree is one of the most famous and most expensive on the planet. It has a very long history of use in religious ceremonies, at funerals etc in the Orient and is widely sought after as an ingredient in perfumery. Commonly harvested from the wild, it is also to some extent cultivated; it is frequently planted around temples, houses and home gardens, whilst large scale industrial plantations have been initiated in Vietnam[ 325 Title Seed Leaflets Publication Author Various Website http://en.sl.life.ku.dk/Publikationer/Udgivelser/PopulaerPublikationer.aspx?katid={D28373CC-6EF3-4EF8-B097-6D83FABF209E}&serieid={9F1C3DB1-6E7B-4CF1-AF53-F480B0CB40EF}&sort=title Publisher Forest & Landscape. Denmark Year 0 ISBN Description A series of leaflets, jointly produced by the University of Copenhagen and the Royal Botanic Gardens at Kew, focussing on seed information for a number species, but also giving a lot of other information about each plant. ]. Exploitation of the diseased wood for the perfume industry has resulted in population declines in Vietnam exceeding 80% over recent years[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ]. There is a strong indication that the same losses are occurring in the rest of Indo-China[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ]. Based mainly on the situation in Vietnam, this species is classified as 'Critically Endangered' in the IUCN Red List of Threatened Species(2011)[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ].