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Aquilaria sinensis, known as incense tree, is a species of plant in the family Thymelaeaceae. It is endemic to China. [clarification needed] It is threatened by habitat loss. This medicinal plant is a source of fragrant wood, formed under a pathological condition, called agarwood.
Aquilaria tree showing darker agarwood. Poachers had scraped off the bark to allow the tree to become infected by the ascomycetous mould. Agarwood is known under many names in different cultures: Another name is Lignum aloes or Aloeswood, unrelated to the familiar genus, Aloe. Also from akil, via Hebrew and Greek. [21]
Aquilaria malaccensis is the major source [6] of agarwood, a resinous heartwood, used for perfume and incense. [2] The resin is produced by the tree in response to infection by a parasitic ascomycetous mould, Phaeoacremonium parasitica , [ 7 ] a dematiaceous (dark-walled) fungus.
Aquilaria is a genus of trees, called lign aloes or lign-aloes trees, in the family Thymelaeaceae. It includes 21 species native to southeast Asia. It includes 21 species native to southeast Asia. They occur particularly in the rainforests of Indonesia, Thailand, Cambodia, Laos, Vietnam, southern China, Malaysia, Northeast India , Bangladesh ...
Aquilaria filaria, the palisan, is a species of flowering plant in the family Thymelaeaceae. [1] It is native to the eastern Philippines, the Maluku Islands, and Western New Guinea. [2] A tree reaching 17 m (56 ft), it is a source of agarwood. [3] [4]
Projects are currently underway in some countries in southeast Asia to infect cultivated trees artificially to produce agarwood in a sustainable manner. [6] In Indonesia, for example, there have been proposals to encourage the planting of gahara, as it is known as locally, in eastern Indonesia, particularly in the province of Papua. [7]
When stocking, a tree's basal area is measured. The basal area is a cross-sectional area of the stump taken about 4.5 feet (1.4 m) above the ground. [7] The equation for calculating the basal area of trees in a stand is Basal Area = 0.005454 DBH 2, where DBH is the diameter of the tree at the aforementioned measuring height. [7]
Aquilaria crassna is one source [2] of agarwood, a resinous heartwood, used for perfume and incense. [3] The resin is produced by the tree in response to infection by a parasitic ascomycetous mold, Phaeoacremonium parasitica , [ 4 ] a dematiaceous (dark-walled) fungus .