CITESwoodID: descriptions, illustrations, identification and information retrieval


H. G. Richter, K. Gembruch, G. Koch

Antiaris spp. (Ako)

Nomenclature. Family: MORACEAE. Other trade relevant species: A. africana, A. toxicaria, A. welwitschii. Further trade and local names: Africa: ako (DE, CI, SN); akede (CI); bonkonko (CD); chenchen (GH); kirundu (EAfr); mongodou, false oro (NG); vawi, diolosso (CM); Southeast Asia: ipoh, opas, paliu, terap (MY). Code according to DIN EN 13556: ATTX. Internal code: AKO.

CITES(EU) status of protection. Not protected.

Geographic distribution. Burma to Indomalesia (A. toxicaria), tropical Africa (all other listed species).

Growth rings, colour, grain, etc. Growth ring boundaries distinct, or indistinct or absent. Heartwood basically light brown to yellow (darkening to light golden brown under exposure); without streaks. Sapwood similar to heartwood colour (up to 15 cm wide). Wood light weight and soft, or of medium weight (0,4–0,45–0,5 g/cm3). Interlocked grain present (producing a pronounced ribbon figure).

Hardwood vs softwood. Vessels (pores) present (= hardwood).

Vessels (pores). Wood diffuse-porous. Vessels (pores) in multiples; commonly in short (2–3 vessels) radial rows. Vessels large (155–200–245 µm); very few to few (4–10). Tyloses present, or absent (in case sapwood is mistaken for heartwood). Other deposits in heartwood vessels (pores) absent.

Axial parenchyma. Axial parenchyma present; not banded. Other macroscopically visible types of axial parenchyma: vasicentric.

Rays. Rays narrow. Large rays commonly less than 1 mm high.

Storied structure. Storied structure absent.

Resin canals. Normal resin canals absent.

Physical and chemical tests. Heartwood not fluorescent. Water extract not fluorescent; colourless to brown. Heartwood extractives not leachable by water. Ethanol extract not fluorescent; colourless to brown. Splinter burns to partial ash; colour of ash white to grey.

Additional information. Informationsdienst Holz Merkblatt Nr. 67,79. • ako.jpg. Antiaris spp. (Ako). Transverse section ca. 10x. Radial surface, natural size.

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.

Cite this publication as: ‘Richter, H.G., Gembruch, K., and Koch, G. 2014 onwards. CITESwoodID: descriptions, illustrations, identification, and information retrieval. In English, French, German, and Spanish. Version: 16th May 2014.’.