Richter , K. Gembruch, G. Listed in Annex II B. Geographic distribution. Temperate Asia to Indomalesia.

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Richter and M. Nomenclature etc. Important species: Aquilaria crassna Pierre ex Lecomte. Description based on 4 specimens. Heartwood basically yellow. Sapwood colour similar to heartwood colour. Density 0. Wood normal wood of no commercial potential. Wood diffuse porous. Vessels in multiples , commonly in short 2—3 vessels radial rows or in radial rows of 4 or more or in clusters few.

Perforation plates simple. Vessel-ray pits with distinct borders , similar to intervessel pits. Other deposits present. Tracheids and fibres. Fibres very thin-walled to of medium wall thickness. Fibre pits mainly restricted to radial walls, simple to minutely bordered or distinctly bordered in some specimens.

Axial parenchyma. Axial parenchyma paratracheal. Paratracheal axial parenchyma scanty. Axial parenchyma as strands. Average number of cells per strand: 2. Rays 5—8 per tangential mm, exclusively uniseriate few with a biseriate central portion. Rays composed of two or more cell types heterocellular. Heterocellular rays with square and upright cells restricted to marginal rows, mostly 1 marginal row of upright or square cells.

Cambial variants. Included phloem present , diffuse. Mineral inclusions. Crystals not observed. Silica not observed. Physical and chemical tests. Heartwood not fluorescent. Colour of water extract colourless to brown. Transverse section, ca. Grade 1. Grade 2. Grade 3. Aquilaria malaccensis. Aquilaria crassna. The interactive key allows access to the character list, illustrations, full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting specified attributes, summaries of attributes within groups of taxa, and geographical distribution.

Commercial timbers: descriptions, illustrations, identification, and information retrieval. Version: 9th April


Commercial timbers

One of the most precious plants on earth is genus Aquilaria which able to produce agarwood. Under this genus, there are more 15 species around the world where the population is dense in Asia region. Four main Aquilaria spp will be discussed; 1 Aquilaria Sinensis , 2 Aquilaria Malaccensis , 3 Aquilaria Crassna and 4 Aquilaria Subintegra which currently being researched for health applications. The review helped researcher to have the brief ideas on the pharmacological effects of agarwood. Request Permissions. Antihyperglycemic activity of agarwood leaf extracts in STZ-induced diabetic rats and glucose uptake enhancement activity in rat adipocytes. Wang, Suolangjiba, J.


Aquilaria spp

CITES is an international agreement between governments, aimed to ensure that international trade in specimens of wild animals and plants does not threaten their survival. Skip to main content. FR ES. Search form Search. Essential information for applying, implementing and enforcing the Convention.

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