''Aquilaria crassna'' is a species of

plant Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae excl ...

in the

Thymelaeaceae The Thymelaeaceae are a cosmopolitan family of flowering plants composed of 50 genera (listed below) and 898 species.Zachary S. Rogers (2009 onwards)A World Checklist of Thymelaeaceae (version 1) Missouri Botanical Garden Website, St. Louis. It ...

family. It is found in throughout

Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainland ...

and in

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; id, Papua, or , historically ) is the world's second-largest island with an area of . Located in Oceania in the southwestern Pacific Ocean, the island is separated from Australia by the wide Torres ...

Economics

''Aquilaria crassna'' is one sourceNg, L.T., Chang Y.S. and Kadir, A.A. (1997) "A review on agar (gaharu) producing Aquilaria species" ''Journal of Tropical Forest Products'' 2(2): pp. 272-285 of agarwood, a resinous heartwood, used for perfume and incense.Broad, S. (1995) "Agarwood harvesting in Vietnam" ''TRAFFIC Bulletin'' 15:96 The resin is produced by the tree in response to infection by a parasitic

ascomycetous Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The defi ...

mold, ''Phaeoacremonium parasitica'',formerly ''Phialophora parasitica'' Crous, P. W. ''et al.'' (1996)
Phaeoacremonium gen. nov. associated with wilt and decline diseases of woody hosts and human infections
" ''Mycologia'' 88(5): pp. 786–796 a dematiaceous (dark-walled) fungus.

References

crassna Critically endangered plants Taxonomy articles created by Polbot {{Thymelaeaceae-stub