Lebbeck (Albizia lebbeck)
Lebbeck (Albizia lebbeck)

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Common Name(s): Lebbeck, Kokko

Scientific Name: Albizia lebbeck

Distribution: Native to southern Asia; widely planted throughout tropics as an ornamental tree

Tree Size: 65-100 ft (20-30 m) tall, 2-3 ft (.6-1 m) trunk diameter

Average Dried Weight: 40 lbs/ft3 (635 kg/m3)

Specific Gravity (Basic, 12% MC): .51, .63

Janka Hardness: 1,330 lbf (5,920 N)

Modulus of Rupture: 13,730 lbf/in2 (94.7 MPa)

Elastic Modulus: 1,836,000 lbf/in2 (12.66 GPa)

Crushing Strength: 8,390 lbf/in2 (57.8 MPa)

Shrinkage: Radial: 2.9%, Tangential: 5.8%, Volumetric: 9.6%, T/R Ratio: 2.0

Color/Appearance: Heartwood is golden brown, frequently with bands of lighter and darker colored wood. Contrasting sapwood is pale yellow. Color tends to darken with age.

Grain/Texture: Grain is deeply interlocked. With a coarse texture and good natural luster.

Endgrain: Diffuse-porous; solitary and radial multiples; large pores in no specific arrangement, few; dark brown deposits occasionally present; parenchyma vasicentric, lozenge, confluent, and marginal; medium to wide rays, spacing normal.

Rot Resistance: Rated as moderately durable; poor insect resistance.

Workability: Tends to be difficult to machine on account of its interlocked grain. Drying checks and splits may occur if not dried with care. Turns, glues, and finishes well.

Odor: No characteristic odor.

Allergies/Toxicity: Although severe reactions are quite uncommon, Lebbeck has been reported to cause eye and respiratory irritation. See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information.

Pricing/Availability: Usually available as veneer or turning blanks, or occasionally as boards. Prices are in the mid range for an imported hardwood.

Sustainability: This wood species is not listed in the CITES Appendices or on the IUCN Red List of Threatened Species.

Common Uses: Furniture, veneer, turned objects, carving, and other small specialty wood items.

Comments: Sometimes traded as Kokko, this Albizia species is a common ornamental tree throughout tropical regions, and yields lustrous orangish brown lumber. Because of its deeply interlocked grain, it’s difficult to plane or machine, but the divergent grain directions impart a unique banded appearance which, coupled with its golden color, makes for a truly unique hardwood. 

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Lebbeck (Albizia lebbeck)
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Lebbeck (endgrain 10x)
Lebbeck (endgrain 10x)