Anacardium Excelsum (Espave)


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Scientific Name
Anacardium excelsum

Trade Name
Espave

Family Name
Anacardiaceae

Synonyms
Anacardium rhinocarpus

 

Common Names
Bouchi-caju, Cahu, Cajarana, Cajou, Caju, Caju assu, Caju da Malta, Caju da matta, Caju do campo, Cajueiro do campos, Cajuhy, Cajuvana, Caracoli, Caschou, Cashu, Espave, Espavel, Espavel amarillo, Espavel rosado, Gran cashew, Hoobodia, Maranon, Maranon de montana, Mija, Mijagao, Mijao, Pomme caju, Quina, Wild cashew

Regions of Distribution
Central America, Latin America, Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Brazil, Colombia, Columbia, Costa Rica, Cuba, Ecuador, Guyana, Nicaragua, Panama, Venezuela

Common Uses
Baskets, Beams, Boat building (general), Boxes and crates, Building construction, Cabin construction, Cabinetmaking, Canoes, Casks, Chairs, Chests, Concealed parts (Furniture), Concrete formwork, Construction, Decks, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Factory construction, Figured veneer, Fine furniture, Floor lamps, Flooring, Food containers, Form work, Foundation posts, Framing, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Joinery, Joists, Kitchen cabinets, Light construction, Living-room suites, Millwork, Office furniture, Packing cases, Parquet flooring, Plywood, Posts, Pulp/Paper products, Veneer: decorative

Environmental Profile

Vulnerable
Abundant/Secure
Rare
Vulnerable in parts of its habitat and may soon become Endangered if current trends of over-exploitation and habitat destruction persist
Vulnerable in many parts of its natural habitat
May be rare in some parts of its range
Generally widespread, secure, and abundant within most of its range
Data source is World Conservation Monitoring Center
Data source is Nature Conservancy

Vulnerable in Panama. Unknown status in Cuba, Costa Rica, Nicaragua, Brazil, Colombia, Ecuador, Guyana, and Venezuela

Distribution Overview
Costa Rica south through Panama to Colombia, Venezuela, and Ecuador. Frequently found in coastal areas on well-drained soils.� Almost pure stands report in the Darien Province of Panama.

Heartwood Color

Brown
Red
Yellow
Orange
Purple
Pink
Green/grey
Yellow to golden-yellow to orange
Pale brown
Reddish brown
Brown
Pale red to pink
Greenish to greyish
Turn reddish brown upon exposure
Purple

Sapwood Color

White
Yellow
Pink
Green/Grey
White to yellow
Clearly differentiated from the heartwood
Pinkish
Different than heartwood
Straw colored to grayish-white

Grain

Figure
Distinct (figure)
Interlocked
Stripe (figure)
Even
Rays (figure)
Straight

 

Interlocked
Distinct figure
Striped figure
Distinct figure
Rays figure
Generally straight, but not always

Small dark ray flecks, interlocked grain, and a natural sheen are reported to combine to yield an attractive ribbon figure on quarter sawn surfaces. The wood is frequently and prominently marked by attractive vessel lines.

Texture

Medium
Coarse
Fine
Medium
Coarse
Medium to coarse
Fine

Luster

Medium
High
Low
Lustrous
Pronounced
High
Dull

Natural Durability

Non-durable
Susceptible to insect attack
Moderately durable
Durable
Perishable
Resistant to termites
Non-resistant to powder post beetles
Non-resistant to termites
Non durable
Moderately durable
Susceptible to attack from termites (Isoptera)
Susceptible to attack from powder post (Lyctid & Bostrychid) beetles
Resistant to attack from termites (Isoptera)
Pinworms (ambrosia beetles) are commonly present
Susceptible to wood staining fungal attack
Durable

Odor

No specific smell or taste

Silica Content

Siliceous
Likely to have significant impact on machining
Contains silica

Light-Induced Color Change

Darker

Kiln Schedules

Drying (speed) is fast
UK=E US=T6D2/T3D Fr=5
T6 – D2 (4/4); T3 – D1 (8/4) US

Drying Defects

Checking
Distortion
Slight surface checking
Slight twist/warp
Moderate twist/warp
Moderate surface checking

Ease of Drying

Moderately Difficult to Difficult
Fairly Easy
Rapidly
Little degrade
Moderate
Difficult
Dries at a moderate rate with little degrade.

Kiln Drying Rate

Naturally dries quickly

Tree Identification

Bole/stem form is not buttressed

Tree Size

Trunk diameter is 100-150 cm
Tree height is 30-40 m
Tree height is 40-50 m
Bole length is 10-20 m
Tree height is 20-30 m
Tree height is 10-20 m
Trunk diameter is 150-200 cm

Comments
General finishing qualities are rated as good

Boring

Fairly easy to very easy
Fair to good results
Fairly difficult to very difficult
Easy
Fair results

Carving

Fair to Good Results
Fairly Difficult to Very Difficult

Cutting Resistance

Easy to saw
Low resistance to sawing

Gluing

Fairly Easy to Very Easy
Easy to glue

Mortising

Fair to Good Results
Fairly Easy to Very Easy
Very Good to Excellent Results
Fairly Difficult to Very Difficult
Finishes well
Easy to mortise
Good mortising properties

Moulding

Fairly Easy to Very Easy
Fair to Good Results
Very Good to Excellent Results
Fairly Difficult to Very Difficult
Good finishing results
Easy to mould
Good moulding properties

Nailing

Fairly Easy to Very Easy
Easy to nail

Planing

Poor to Very Poor Results
Fairly Difficult to Very Difficult
Planes to a poor finish
Difficult to plane

Resistance to Impregnation

Permeable sapwood
Resistant heartwood
Resistant sapwood
Sapwood is treatable
Heartwood is moderately resistant

Response to Hand Tools

Easy to Work
Fairly Difficult to Difficult to Work
Easy to machine
Moderate working qualities
Difficult to machine

Sanding

Poor to Very Poor Results
Fairly Difficult to Very Difficult
Poor results
Difficult to sand

Turning

Fairly Easy to Very Easy
Fair to Good Results
Fairly Difficult to Very Difficult
Easy to turn
Fair
Difficult to turn

Polishing

Fair to Good Results
Satisfactory results

Staining

Fair to Good Results
Finish is generally satisfactory

Strength Properties

Shearing strength (parallel to grain) = very low
Modulus of Elasticity (stiffness) = very low
Bending strength (MOR) = low
Bending strength (MOR) = very low
Density (dry weight) = 31-37 lbs/cu. ft.
Shrinkage, Radial = very small
Max. crushing strength (stiffness) = very low
Shrinkage, Tangential = small
Shrinkage, Tangential = very small
Max. crushing strength = high
Shrinkage, Radial = small
Shrinkage, Tangential = moderate
Max. crushing strength = medium
Max. crushing strength = low

Numerical Data

Item Green Dry English
Bending Strength 4961 7519 psi
Crushing Strength 353 500 psi
Density 31 lbs/ft3
Hardness 545 lbs
Impact Strength 15 inches
Maximum Crushing Strength 2496 4353 psi
Shearing Strength 900 psi
Static Bending 3185 5527 psi
Stiffness 1083 1289 1000 psi
Toughness 56 inch-lbs
Work to Maximum Load 4 6 inch-lbs/in3
Specific Gravity 0.33 0.33
Weight 30 26 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 5 %
Volumetric Shrinkage 8 %
Item Green Dry Metric
Bending Strength 348 528 kg/cm2
Crushing Strength 24 35 kg/cm2
Density 496 kg/m3
Hardness 247 kg
Impact Strength 38 cm
Maximum Crushing Strength 175 306 kg/cm2
Shearing Strength 63 kg/cm2
Static Bending 223 388 kg/cm2
Stiffness 76 90 1000 kg/cm2
Toughness 64 cm-kg
Work to Maximum Load 0.28 0.42 cm-kg/cm3
Specific Gravity 0.33 0.33
Weight 480 416 kg/m3
Radial Shrinkage 2 %
Tangential Shrinkage 5 %

References
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Arno, J. 1989. Anacardium excelsum – Espave. In A Guide to Useful Woods of the World, Flynn Jr., J.H., Editor. King Philip Publishing Co., Portland, Maine. 1994. Page 38-40.

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Berni, C.A., Bolza, E., Christensen, F.J.,1979,South American Timbers – The Characteristics, Properties and Uses of 190,Species,C.S.I.R.O Div. Building Research

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Boone, R.S., C.J. Kozlik, P.J. Bois, E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Hardwoods -Temperate and Tropical. USDA, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin.

Brazier, J.D., Franklin, G.L.,1967,An Appraisal of the Wood Characteristics and Potential Uses of some,Nicaraguan Timbers,FAO for Forest Products Research Laboratory, Princes Risborough

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Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department

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Fors, A.J.,1965,Maderas Cubanas,Inst. Nac. Ref. Agraria La Habara

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Hess, R.W., Wangaard, F.F., Dickinson, F.E.,1950,Properties and Uses of Tropical Woods 2,Tropical Woods,13(97,pp1-132

Kribs, D.A.,1950,Commercial and Foreign Woods on the American Market (a manual to their,structure, identification, uses and distribution,U.S.A. Penn. State College, Tropical Woods Laboratory

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Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical Press

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Slooten van der, H.J., Martinez, E.P.,1959,Descripcion y propiedades de algunas madeiras Venezolanas,Inst. for Lation Americano de Investigacion y Capaciticion Boletin,Informaturo Dirulgaturo

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Timber Development Association Ltd.,1948,Notes on Ecuadorian Timbers,TRADA, Timber Information,35,pp5

Timber Development Association,1948,Some New Timbers and Their Uses No. 34,Timber Development Association Limited, London [TRADA]

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Venezuela-Laboratories Nacional de Productos Forestates,1974,Caraderisticas, Propiedades y usos de 104 Maderas de los allos Ilanos,occidentales,Min. Ag. y Cria, Universidad de Los andes, Merida, Venezuela Lab.Nac. de,Prod. For.

Villamil, F.G.,1971,Maderas Colombianas,Proexpo Colombia

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Wangaard, F.F., Muschler, A.F.,1952,Properties and Uses of Tropical Woods 3,Tropical Woods,14(98, pp1-190

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