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Common Name(s): Lati, white wenge, yaya

Scientific Name: Amphimas pterocarpoides and A. ferrugineus

Distribution: Central and West Africa

Tree Size: 100-150 ft (30-46 m) tall,

                      2-4 ft (.6-1.2 m) trunk diameter

Average Dried Weight: 49 lbs/ft3 (785 kg/m3)

Specific Gravity (Basic, 12% MC): 0.58, 0.78

Janka Hardness: 1,200 lbf (5,340 N)

Modulus of Rupture: 18,460 lbf/in2 (127.3 MPa)

Elastic Modulus: 2,147,000 lbf/in2 (14.81 GPa)

Crushing Strength: 9,070 lbf/in2 (62.5 MPa)

Shrinkage: Radial: 6.2%, Tangential: 10.6%,

                        Volumetric: 16.8%, T/R Ratio: 1.7

Color/Appearance: Heartwood is a light yellowish brown. Yellowish sapwood isn’t always defined from heartwood. Lati is sometimes called white wenge because of the similarity of its grain patterns to wenge (Millettia laurentii)—particularly on flatsawn surfaces. In both cases, this is due to very wide bands of parenchyma throughout the wood. The pale yellowish color tends to darken to a more golden yellow over time.

Grain/Texture: Grain is straight, with a uniformly coarse texture. Low natural luster.

Rot Resistance: Rated as non-durable to moderately durable; susceptible to most insect attacks, though moderately resistant to termites.

Workability: Generally easy to work with hand and machine tools, though the wood has higher-than-average cutting resistance (as well as good wear resistance). Drying defects can occur if working with green wood. Moderate blunting effect on cutting edges. Glues and finishes well.

Odor: No characteristic odor.

Allergies/Toxicity: Besides the standard health risks associated with any type of wood dust, no further health reactions have been associated with lati. See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information.

Pricing/Availability: Not commonly seen or imported, lati is occasionally offered for sale as lumber or veneer. Expect prices to be moderate for an imported hardwood.

Sustainability: This wood species is not listed in the CITES Appendices, and is reported by the IUCN as being a species of least concern.

Common Uses: Veneer, plywood, interior trim, furniture, and flooring.

Comments: Generally not regarded as being very stable in service, which is aggravated by the fact that the flatsawn surface (i.e., the least stable surface) is considered the most decorative and showy. Nonetheless, flatsawn lati has a unique grain appearance that is very similar to wenge, though in a golden yellow color rather than dark brown. Botanically, lati and wenge aren’t closely related, and occur in two separate genera, Amphimas and Millettia, respectively.