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Leche perra
Leche perra (Helicostylis tomentosa)

Family: Moraceae

Common names: Aimpem, Basri, Basri letri, Basri pauletoe, Berba, Berekoro, Bi, Birsk, Boelikoro, Charo, Chayba, Choyba, Choybu, Feguo, Inare, Jabaty, Jaboty, Kaba-kra, Kabakra, Kapitin hoedoe, Kubrakra ojuche, Leche perra, Letri, Letterhout, Man letter, Moejepau lattoe, Muiratinga, Oenbatapo, Ojoche, Ombatapo, Paida, Pauleto aledin, Perokoti, Poevinga, Querendo, Sabana letri, Sokone fieroberoe, Sokone koereroe, Sukune, Toekoesi paida, Tokoloapolikiri, Tokora apolinore, Wamiriaballi

Distributed in: Brazil, Colombia, Costa Rica, French Guiana, Guyana, Panama, Peru, Suriname, Venezuela (Central America, Latin America)

Distribution overview: Bahia, Brazil, through the Amazon region to northeastern Peru, Colombia, and the Guianas.

Common uses: Flooring, Furniture , Furniture, Heavy construction, Turnery

Environment profile: Status unknown in many of its growth areas

Tree size: Trunk diameter is 200-250 cm

Colors: the heart isGreen/grey, Ocassionally black and yellow streaksand the sapwoodWell defined, White to yellow.The grain isStraight to roey, the textureMediumand the lusterSlightly lustrous

Natural durability: Sapwood is vulnerable to blue stain, Very durable

Odor: No specific smell or taste

Kiln Schedules: Drying (speed) is fast

Ease of Drying: Seasons easily with little degrade

Tree Identification: Bole/stem form is straight

Blunting Effect: Severe

Boring: Fairly difficult to very difficult

Carving: Fairly Difficult to Very Difficult

Cutting Resistance: Easy to saw

Gluing: Fairly Easy to Very Easy

Mortising: Fairly Difficult to Very Difficult

Moulding: Fairly Difficult to Very Difficult

Movement in Service: Fairly Difficult to Very Difficult

Nailing: Fair to Good , Fairly Easy to Very Easy

Planing: good

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds Readily

Sanding: Fairly Easy to Very Easy


Painting: Surface Preparation; Polishing: Good; Varnishing: Surface Preparation;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,65
Density 865 kg/m3
Bending Strength 1212 1790 kg/cm2
Crushing Strength 488 821 kg/cm2
Hardness 1200 kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 166 199 1000 kg/cm2
Tangential Shrinkage 9 %
Radial Shrinkage 5 %
Weight 849 641 kg/m3
Maximum Load cm-kg/cm3
Toughness 293 cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 17241 25463 psi
Density 54 lbs/ft3
Hardness 2646 lbs
Maximum Crushing Strength 6950 11690 psi
Stiffness 2373 2834 1000 psi
Toughness 255 inch-lbs
Specific Gravity 0.65
Weight 53 40 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 9 %
Volumetric Shrinkage 14 %

Bending strength (MOR) = very high
Shrinkage, Tangential = fairly large
Shrinkage, Radial = fairly large
Max. crushing strength = very high
Bending strength (MOR) = high
Weight = very heavy
Modulus of Elasticity (stiffness) = very high
Modulus of Elasticity (stiffness) = high
Max. crushing strength = medium
Max. crushing strength = high
Density = very high
Density (dry weight) = 53-60 lbs/cu. ft.
Density (dry weight) = 46-52 lbs/cu. ft.
Compression strength (parallel to grain) = very high

Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Record, S.J., Hess, R.W.,1940,American Woods of the Family Moraceae,Tropical Woods,8(61,pp11-54Takahashi, A.,1975,Compilation of data on the Mechanical Properties of Foreign Woods (Part 2,Central and South America,Shimane University, Japan, Research Report on Foreign Wood No.4WCMC. 1992. Conservation Status Listing: Trees and Timbers of the World. World Conservation Monitoring Center (WCMC, Plants Program, 219 Huntingdon Road, Cambridge, CB3 ODL, United Kingdom.
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