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JoboJobo
Jobo (Spondias mombin)

Family: Anacardiaceae

Common names: Acaiba, Ajuelo, Bala, Caja, Caja mirim, Caja seira, Ciruela, Ciruela amarilla, Ciruela de job, Hobo, Hobu, Hoeboe, Hog plum, Hogplum, Hubu, Jamaica plum, Jobito, Jobo, Jobo blanco, Jobo corronchoso, Marapa, Merida, Mombin, Monbe, Mope, Moppe, Pau da tapera, Plum, Spanish plum, Ubo, Uvos, Wild plum, Yellow mom, Yellow mombin, Yucatan plum

Distributed in: Belize, Bolivia, Brazil, Cameroon, Colombia, Columbia, Costa Rica, Cuba, Dominican Republic, Ecuador, Guyana, Haiti, Jamaica, Mexico, Panama, Peru, Philippines, Puerto Rico [US], Puerto Rico, Suriname, Trinidad and Tobago, Venezuela (Africa, Central America, Latin America, Oceania and S.E. Asia)

Distribution overview: Distributed throughout West Indies (except Bahamas), and from southern Mexico to Peru, Bolivia and Brazil, in part cultivated or naturalized. It is also planted in southern Florida. The tree usually grows along roadsides and fence rows, in pastures and forests in the coastal, moist limestone, and lower mountain regions of Puerto Rico, perhaps naturalized rather than native. also believed to have been introduced into Africa from Central or South America, and is widely cultivated there on farmlands and around towns and villages for its fruits and as a living fence.

Common uses: Bent Parts, Boat building (general), Boxes and crates, Building materials, Cabinetmaking, Casks, Chairs, Charcoal, Chests, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Drawer sides, Dyewood , Figured veneer, Fine furniture, Food containers, Fuelwood, Furniture , Furniture components, Furniture squares or stock, Furniture, General carpentry, Hatracks, Interior construction, Interior trim, Joinery, Kitchen cabinets, Light construction, Living-room suites, Matchboxes, Matches, Medicinal use, Millwork, Moldings, Office furniture, Packing cases, Particleboard, Plywood, Posts, Pulp/Paper products, Radio - stereo - TV cabinets, Rustic furniture, Stools, Tannin, Tool handles, Toys, Trimming, Turnery, Utility furniture, Veneer, Wainscotting, Wardrobes

Product sources: The timber has little commercial value and is exported from the tropics in very small quantities. It is usually priced in the low to medium range when available.Most of the species in the Spondias genus are cultivated for their edible plum-like fruit.

Environment profile: Vulnerable

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isWeak figure, the textureMedium to coarseand the lusterMedium

Natural durability: Susceptible to marine borer attack, Susceptible to termite attack

Odor: No distinct odor or taste

Kiln Schedules: Dry at a moderate speed

Kiln Drying Rate: Slow

Drying Defects: Slight twist/warp, Splitting

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good The leaves are used for medicinal purposes. Tough and strong for its low weight

Blunting Effect: Very little blutning effect on tools

Boring: Easy

Carving: Carves well in dry condition

Cutting Resistance: Low resistance to sawing

Gluing: Good joining material

Mortising: Finishes poorly

Moulding: With the exception of a few cases, worked surfaces are clean

Movement in Service: With the exception of a few cases, worked surfaces are clean

Nailing: Fairly Easy to Very Easy, Holds nails well

Planing: Works easily with hand and machine tools in planing and most operations

Resistance to Impregnation: Sapwood is permeable

Resistance to Splitting: Good

Response to hand tools: Responds well to hand tools

Routing recessing: Routs well

Sanding: Yield clean/smooth surfaces, in most cases

Veneering qualities: Veneers easily, Veneers moderately easy

Steam bending: Poor to Very Poor Results

Turning: Poor to Very Poor Results

Polishing: Very Good to Excellent; Staining: Fairly Easy to Very Easy;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,39
Density 480 kg/m3
Bending Strength 467 759 kg/cm2
Crushing Strength 182 317 kg/cm2
Hardness 169 kg
Impact Strength cm
Shearing Strength 70 kg/cm2
Stiffness 77 87 1000 kg/cm2
Tangential Shrinkage 6 %
Radial Shrinkage 3 %
Weight 464 400 kg/m3
Maximum Load 0,28 0,42 cm-kg/cm3
Toughness 84 cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 6644 10800 psi
Density 30 lbs/ft3
Hardness 373 lbs
Maximum Crushing Strength 2598 4519 psi
Shearing Strength 1009 psi
Stiffness 1099 1251 1000 psi
Toughness 73 inch-lbs
Work to Maximum Load 4 6 inch-lbs/in3
Specific Gravity 0.39
Weight 29 25 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 6 %
Volumetric Shrinkage 9 %

Density (dry weight) = 31-37 lbs/cu. ft. 0
Density (dry weight) = 23-30 lbs/cu. ft.
Bending strength (MOR) = low
Modulus of Elasticity (stiffness) = very low
Max. crushing strength = low
Shrinkage, Tangential = moderate
Hardness (side grain) = very soft
Density (dry weight) = 38-45 lbs/cu. ft.
Density (dry weight) = 15-22 lbs/cu. ft.
Weight=Medium
Shrinkage, Volumetric = moderate
Shrinkage, Radial = very small
Shrinkage, Radial = moderate
Not hard
Max. crushing strength = medium
Dents and marrs easily
Density=Average/Medium
Compression strength (parallel to grain) = low
Bending strength (MOR) = medium
Bending stength in air-dried condition...is medium

Belize,1946,42 Secondary Hardwood Timbers of British Honduras,British Honduras Forest Department Bulletin,No.1Berni, 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 ResearchBodig, J. and B. A. Jayne. 1982. Mechanics of Wood and Wood Composites. Van Nostrand Reinhold Company, New York.Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchBrooks, R.L., et al,1941,Durability tests on Untreated Timbers in Trinidad,Caribbean Forester,2(3,pp101-119Carter, D.T.,1943,The Manufacture of shingles from local woods in Trinidad and Tobago,Caribbean Forester,4(3,pp107-11Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry DepartmentFanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer CuttingKeay, R.W.J.1989. Trees of Nigeria.Revised Version of Nigerian Trees. Clarendon Press, Oxford.Kline, M. 1986. Spondias mombin - Jobo. In A Guide to Useful Woods of the World. Flynn Jr., J.H., Editor. King Philip Publishing Co., Portland, Maine. 1994. Page 331.Little, E.L., Wadsworth, F.H.,1964,Common Trees of Puerto Rico and the Virgin Islands,U.S.A. Department of Agriculture, Agriculture Handbook,No.249Little, E.L.,1948,A Collection of Tree Specimens from Western Ecuador,Caribbean Forester,9(3,pp215-98Marshall, R.C.,1934,Trees of Trinidad and Tobago,Government Printer Port of Spain TrinidadRecord, S.J.,1939,American Woods of the Family Anacardiaceae,Tropical Woods,8(60,pp11-45Swabey, C.,1941,The Principal Timbers of Jamaica,Department of Science and Agriculture Jamaica Bulletin No.29Takahashi, 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.4Wangaard, F.F., et al,1954,Properties and Uses of Tropical Woods 4,Tropical Woods,14(99, pp1-187WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.Williams, L.1936. Woods of Northeastern Peru.Field Museum of Natural History, Botanical Series, Volume XV, Publication 377, Chicago.
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