Byrsonima Spp. (Serrette)


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Scientific Name
Byrsonima spp.

Trade Name
Serrette

Family Name
Malpighiaceae

Common Names
Candelo, Changugo, Chaparro, Chupi cara, Golden spoon, Kanoaballi, Maricao, Murici, Serrette

Regions of Distribution
Central America, Latin America

Countries of Distribution  [VIEW MAP]
Bahamas, Bolivia, Brazil, Columbia, Cuba, Dominican Republic, French Guiana, Guyana, Haiti, Jamaica, Peru

Common Uses
Bedroom suites, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Core Stock, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Factory flooring, Figured veneer, Fine furniture, Floor lamps, Flooring, Furniture , Furniture components, Furniture squares or stock, General carpentry, Hatracks, Kitchen cabinets, Living-room suites, Office furniture, Parquet flooring, Plain veneer, Plywood, Radio – stereo – TV cabinets, Rustic furniture, Stools, Structural plywood, Sub-flooring, Tables , Turnery, Utility furniture, Utility plywood, Veneer, Wardrobes

Environmental Profile

Vulnerable
Abundant/Secure

The environmental status of this species within its geographical boundaries has not been officially determined

Distribution Overview
Throughout West Indies, Central America, Colombia, the Guianas, Peru, Bolivia, and Brazil. Common in secondary forests and frequently on lands degraded by farming.

Heartwood Color

Brown
Red
Reddish brown
Greyish tint
Cast of purple

Sapwood Color

Brown
Yellow
White
Pink
Somewhat differentiated from the heartwood
Reddish-brown
Greyish

Grain

Even
Straight
Interlocked

 

Occasionally interlocked, but not always
Generally straight, but not always

Texture

Medium
Moderately fine

Luster

High
Medium
Medium

Natural Durability

Perishable
Non-resistant to marine borers
Non-resistant to termites
Slightly resistant to decay causing organisms
Heartwood highly susceptible to attack by dry-wood termites and other insects

Odor

No specific smell or taste

Kiln Schedules

T6 – D2 (4/4); T3 – D1 (8/4) US
Schedule E; United Kingdom

Drying Defects

Splitting
Checking
Distortion
Slight surface- and end-checks
Moderate cupping

Ease of Drying

Fairly Easy
Thick Stock Requires Care
Requires special attention
Easy
Air-dries slow/moderate

Tree Size

Tree height is 20-30 m
Tree height is 40-50 m
Trunk diameter is 100-150 cm

Typically unbuttressed, and develops a straight and cylindrical stem that is clear of branches to 60 to 70 feet (18 to 21 m)

Comments
Care required during nailing and screwing

Splits easily

Blunting Effect

Blunting effect on cutting tools is moderate

Boring

Fair to good results
Fairly difficult to very difficult

Carving

Fair to Good Results
Fairly Difficult to Very Difficult

Cutting Resistance

Easy to saw
Low resistance

Mortising

Fairly Difficult to Very Difficult
Fair to Good Results

Moulding

Fair to Good Results
Fairly Difficult to Very Difficult

Movement in Service

Fair to Good Stability – Medium Movement
Medium

Moderate dimensional stability can be attained after seasoning

Nailing

Pre-boring recommended
Poor nailing properties

Planing

Fairly Difficult to Very Difficult
Fair to Good Results
Poor to Very Poor Results
Good planing properties
Easy to plane

Resistance to Impregnation

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

To increase penetration incising is encouraged

Response to Hand Tools

Fairly Difficult to Difficult to Work
Responds Poorly

Routing & Recessing

Fair to Good Results
Fairly Difficult to Very Difficult

Sanding

Good sanding qualities

Screwing

Possible if prebored

Turning

Fair to Good Results
Fairly Difficult to Very Difficult
Good results

Good response to most hand tools and machines. Can be worked to a smooth surface in all operations.

Steam Bending

Variable steam bending qualities
Moderate

Polishing

Very Good to Excellent Results
Surface Preparation
Fairly Difficult to Very Difficult
Good results

Strength Properties

Bending strength (MOR) = high

Bending strength qualities of this species in the air-dry condition is very high, far superior to those of Mahogany. It has superior properties in compression parallel to grain in the air-dry condition than Teak, White oak, or Hard maple. It is moderately hard and resistant to wearing and marring. The wood is very heavy. The wood has high density.

Numerical Data

Item Green Dry English
Bending Strength 11358 16758 psi
Density 45 lbs/ft3
Hardness 1499 lbs
Maximum Crushing Strength 5457 9173 psi
Stiffness 1615 2006 1000 psi
Specific Gravity 0.57
Weight 44 36. lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 8 %
Volumetric Shrinkage 12 %
Item Green Dry Metric
Bending Strength 798 1178 kg/cm2
Density 721 kg/m3
Hardness 679 kg
Maximum Crushing Strength 383 644 kg/cm2
Stiffness 113 141 1000 kg/cm2
Specific Gravity 0.57
Weight 705 576. kg/m3
Radial Shrinkage 4 %
Tangential Shrinkage 8 %

References
Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.

HMSO. 1981. Handbook of Hardwoods, 2nd Edition. Revised by R.H. Farmer. Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Princes Risborough, Aylesbury, Buckinghamshire.

Lavers, G. M. 1966. The Strength Properties of Timbers. Forest Products Research Bulletin, No. 50. Ministry of Technology, Her Majesty’s Stationery Office, London.

WCMC. 1992. Conservation Status Listing – Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom