Species: Araracanga / Piquia Marfim


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Araracanga / Piquia Marfim
Species profile
The colour of the heartwood varies from orange brown to light pinkish red. The sapwood has a lighter colour and can be distinguished from the heartwood. The heartwood has a light and very fine stripy pattern. The grain is fairly straight with interlocked or irregular grain. The texture is medium to fine. Density at 12 % moisture content: 0.94 g/cm3.

The blunting effect is fairly high; peeling is not recommended or without interest, and slicing is reported to be good. Despite the high density, Piquia Marfim is fairly easy to machine but requires power. A smooth result can be reached with the right cutting angle. Pre-drilling is advised. With gluing and finishing are less experiences. Piquia Marfim dries normal to slowly with some risks of checking but higher risks of deformation.

Piquia Marfim is reported to be very durable in ground contact and durable in dry wood borers; sapwood demarcated (risk limited to sapwood)

Araracanga can be used for several applications such as:
• interior: e.g. flooring, high class furniture, sculpture, sliced veneer and parquet, industrial or heavy flooring
• exterior: e.g. sheetpiling and other hydraulic constructions, ship building, bridges, panelling, vehicle or container flooring, sleepers, heavy carpentry, flooring, posts

Aspidosperma album is recommended for high class end-uses.

References
• Research and experiences of A. van den Berg / Precious Woods Europe BV
• CIRAD Forestry Department

Family:APOCYNACEAE (angiosperm)
Origin:South and Central America
Local and common name(s)
Jichituriqui, Quebracho Blanco, My Lady, Araracanga, Jacamin, Quillo Caspi, Shibadan, Koumanti Oudou, Chaperna, Kromanti Kopi, Alcarreto, Gavetillo, Ararauba, Copachi, Chichica, Kiantioutiou, Chapel, Volador, Pumaquiro, Nielillo Negro, Piquia Marfim,
Scientific name(s)
Aspidosperma spp.,
Typical use
Vehicle or container flooring, Ship building (planking and deck), Industrial or heavy flooring, Heavy carpentry, Current furniture or furniture components, Sculpture, Exterior panelling, Poles, Ship building (ribs), Sleepers, Hydraulic works (fresh water), Bridges (Parts in contact with water or ground), Sliced veneer, Cabinetwork (high class furniture), Flooring, Bridges (Parts not in contact with water or ground),
Risk
Commercial restriction:No commercial restriction
IUCN Red List status:
Appearance
Grain:Straigth or interlocked
Interlocked Grain:Slight
Sapwood:Clearly demarcated
Texture:Medium
Typical colour:Light Brown
Physical description
Crushing strength:89 (+/- 11) MPa
Specific Gravity (at 12% MC):0,94 (+/- 0,08)
Stability:Poorly stable
Static bending strength:153 (+/- 23) MPa
Durability
Dry wood borers:Class D - Durable
Fungi:Class 1 - Very durable
Termites:Class M - Moderately duarable
Treatability:Class 3 - Poorly permeable
References
- Technical descriptions from the software Tropix 7 [1], with permission of the Research Unit Biomass, Wood, Energy, Bioproducts [2], CIRAD [3].
- Additional local names from Bolivia researched by Yvyraguazu, 2015

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Araracanga / Piquia Marfim