Species: Acariquara / Black Manwood


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Acariquara / Black Manwood
Species profile
The tree has an irregular grooved stem and a very decorative appearance. It is not possible to produce sawn timber and therefore it is only used for round piles. The trunk has a small diameter and is straight.

Heartwood has a brown uniform colour, the sapwood has a more pale brown colour, with darker stripes. The grain is curved and often interlocked or irregular. The texture is fine to medium fine.

The trunk has an irregular grooved shape, what makes it impossible to produce sawn wood. Furthermore, the Silica content causes a blunting effect on the tools. Therefore, the timber is only used as round wood piles. If desired, the piles can be pointed. Special care is required to connect other building elements to the Acariquara piles.

In South-America, Acariquara is often used for piles in all kind of constructions, like pergola’s, fences and utility poles. Furthermore it is used in large quantities for sea defence on the Baltic sea in Germany, because it is one of the few species that is highly resistant against marine borers. In the Netherlands, it is used for the same purpose. Acariquara is also liked for decorative uses,for instance in zoos, bridge constructions etc.)

(This description is based on research (mainly independent) and experience of Precious Woods Europe BV, (semi-) scientific literature and the (Dutch) Houtvademecum (9th edition 2005).

Photo: Tracer

Family:Olacaceae
Origin:South and Central America
Local and common name(s)
Acariguara, Arekuma, Black Manwood, Cari-cuara Negra, Guayacán Negro, Guayacán Pechiche, Huacapú, Manú, Manú Negro, Minche, Punte Candado, Wamania,
Scientific name(s)
Minquartia guianensis,
Typical use
Bridges (Parts in contact with water or ground), Bridges (Parts not in contact with water or ground), Hydraulic works (fresh water), Heavy carpentry, Hydraulic works (seawater), Poles,
Risk
Commercial restriction:No commercial restriction
IUCN Red List status:Near threatened (NT)
Appearance
Grain:Interlocked
Interlocked Grain:
Sapwood:
Texture:
Typical colour:Brown
Physical description
Crushing strength:Generated From Template
Specific Gravity (at 12% MC):Generated From Template
Stability:
Static bending strength:Generated From Template
Durability
Acariquara is one of the few species that is very resistant against marine borers (Teredo spp). No traces of marine borer attacks were found in pilings after 13 years of exposure, where piles of species like Oak, Greenheart and Pine were seriously damaged.

Dry wood borers:
Fungi:
Termites:
Treatability:
References
Americas Regional Workshop (Conservation & Sustainable Management of Trees, Costa Rica, November 1996). 1998. Minquartia guianensis. The IUCN Red List of Threatened Species 1998: e.T32956A9737660. http://dx.doi.org/10.2305/IUCN.UK.1998.RLTS.T32956A9737660.en . Downloaded on 13 September 2015.

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Acariquara / Black Manwood