''Gyrinops'' is a genus of nine species of

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

s, called lign aloes or lign-aloes trees, in the ''Thymelaeaceae'' family. They are native to

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 mainlan ...

and the

Indian Subcontinent The Indian subcontinent is a list of the physiographic regions of the world, physiographical region in United Nations geoscheme for Asia#Southern Asia, Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian O ...

. The genus ''Gyrinops'' is closely related to ''

Aquilaria ''Aquilaria'' is a genus of fifteenNg, 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 species of trees, called lign aloes or lign-aloes tr ...

'' and in the past all species were considered to belong to ''Aquilaria.''

Agarwood production

Together with ''Aquilaria'' the genus is best known as the principal producer of the

resin In polymer chemistry and materials science, resin is a solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers. Resins are usually mixtures of organic compounds. This article focuses on n ...

-suffused

agarwood Agarwood, aloeswood, eaglewood or gharuwood is a fragrant dark resinous wood used in incense, perfume, and small carvings. This resinous wood is most commonly referred to as "Oud" or "Oudh". It is formed in the heartwood of aquilaria trees wh ...

.Barden, Angela (2000) ''Heart of the Matter: Agarwood Use and Trade and CITES Implementation for Aquilaria malaccensis'' TRAFFIC International, Cambridge, Ng, 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 The depletion of wild trees from indiscriminate cutting for agarwood has resulted in the trees being listed and protected as an endangered species.Broad, S. (1995) "Agarwood harvesting in Vietnam" ''TRAFFIC Bulletin'' 15:96 Projects are currently underway in some countries in southeast Asia to infect cultivated trees artificially to produce agarwood in a sustainable manner. 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 A province is almost always an administrative division within a country or state. The term derives from the ancient Roman ''provincia'', which was the major territorial and administrative unit of the Roman Empire's territorial possessions outs ...

.Theresia Sufa,
Gaharu: Indonesia's endangered fragrant wood'
''The Jakarta Post'', 2 February 2010.

Species

*''

Gyrinops caudata ''Gyrinops'' is a genus of nine species of trees, called lign aloes or lign-aloes trees, in the ''Thymelaeaceae'' family. They are native to Southeast Asia and the Indian Subcontinent. The genus ''Gyrinops'' is closely related to ''Aquilaria'' a ...

'' *'' Gyrinops decipiens'' *'' Gyrinops ledermanii'' *'' Gyrinops moluccana'' *'' Gyrinops podocarpus'' *'' Gyrinops salicifolia'' *'' Gyrinops versteegii'' *'' Gyrinops vidalii'' *''

Gyrinops walla ''Gyrinops walla'' is a species in the genus '' Gyrinops'' of the family Thymelaeaceae. It was described by Joseph Gaertner. The tree grows up to 15 m high. Its bark is thin and brownish-grey color. Leaves are 1–6 mm long and yellowis ...

References

External links

Thymelaeoideae Malvales genera {{Thymelaeaceae-stub