CITESwoodID: descriptions, illustrations, identification and information retrieval

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

Pterocarpus soyauxii Taub., P. osun Craib (African Padouk)

Nomenclature. Family: FABACEAE-FABOIDEAE. Further trade and local names: Afrikanisches Padouk, Afrikanisches Korallenholz (DE); legno corallo (IT); barwood, camwood (GB); bois corail, padouk (FR); Africaans padoek (NL); takula (AO); m'bel, ebeu (GA); palo rojo (GQ); ba, corail, epion, mohingué, muengé, ndimbo (CM); boisulu, kisésé, mukala (CG); ngula, wele (CD); arapka, osun (NG). Code according to DIN EN 13556: PTXX. Internal code: SOY.

CITES(EU) status of protection. Not protected.

Geographic distribution. Tropical Africa.

Growth rings, colour, grain, etc. Growth ring boundaries indistinct or absent. Heartwood basically brown, red, purple; with streaks (occasionally), or without streaks. Sapwood distinct from heartwood colour. Odour indistinct or absent. Wood of medium weight (± 0,80). Interlocked grain present.

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

Vessels (pores). Wood diffuse-porous. Vessels (pores) arranged in no specific pattern; in multiples; commonly in short (2–3 vessels) radial rows (occasionally also in longer radial chains). Vessels large; very few. Tyloses absent. Other deposits in heartwood vessels (pores) present, or absent (in case sapwood is mistaken for heartwood).

Axial parenchyma. Axial parenchyma present; banded, or not banded. Parenchyma bands exclusively marginal (or seemingly marginal); narrow. Other macroscopically visible types of axial parenchyma: aliform, confluent. Aliform parenchyma winged.

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

Storied structure. Storied structure present. Tiers regular (horizontal or slightly inclined); 3–4–5 per axial millimetre.

Physical and chemical tests. Heartwood not fluorescent. Water extract not fluorescent; colourless to brown, or red (N light orange brown S café naranjo claro). Heartwood extractives not leachable by water. Ethanol extract fluorescent (weakly greenish blue); colourless to brown, or red. Froth test positive. Splinter burns to partial ash, or to charcoal; colour of ash white to grey.

Additional information. Informationsdienst Holz Merkblatt Nr. 70; TROPIX 7 (Bois d'Afrique - Padouk). • soy.jpg. 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. delta-intkey.com’.

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