Aquilaria crassna is a species of plant in the Thymelaeaceae family. It is critically endangered and native to Southeast Asia.
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 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.
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