CITESwoodID: descriptions, illustrations, identification and information retrieval
Nomenclature. Family: BIGNONIACEAE. Other trade relevant species: T. heptaphylla, T. lapacho, T. serratifolia. Synonym(s): Tecoma serratifolia. Further trade and local names: capitary, carobeira, pau d'arco (BR); arco, canuguate, guyacán (CO); arahonie, ebéne vert (GF); taiy (PY); groenheart (SR); tajibo (BO); arcwood, bastard lignum vitae (US). Code according to DIN EN 13556: TBXX. Internal code: LAP.
CITES(EU) status of protection. Not protected.
Geographic distribution. Tropical South America, southern Brazil, and temperate South America.
Growth rings, colour, grain, etc. Growth ring boundaries distinct, or indistinct or absent. Heartwood basically brown, yellow, green; with streaks. Sapwood distinct from heartwood colour. Odour indistinct or absent. Wood heavy and hard (0,8–1,2 g/cm3). 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. Vessels medium (60–95–175 µm); moderately numerous (23–40). Tyloses present, or absent (in case sapwood is mistaken for heartwood). Other deposits in heartwood vessels (pores) present (yellow organic deposits, known as "lapachol" or "ipeina"), or absent (in case sapwood is mistaken for heartwood).
Axial parenchyma. Axial parenchyma present; not banded. Other macroscopically visible types of axial parenchyma: vasicentric, aliform, and confluent (occasionally also unilateral, i.e., forming semicircular hoods or caps only on one side of the vessel). 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 per axial millimetre. Rays, axial parenchyma, vessels (pores) and fibres storied.
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, or yellow. Splinter burns to charcoal (with very little light grey ash).
Additional information. Informationsdienst Holz Merkblatt Nr. 87. • lap.jpg. Radial surface, natural size. Transverse section ca. 10x. Tabebuia spp. (IpÍ, Lapacho).
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’.