Honey Locust

Common Name(s): Honey Locust

Scientific Name: Gleditsia triacanthos

Distribution: South-central and eastern United States

Tree Size: 65-80 ft (20-25 m) tall, 2-3 ft (.6-1.0 m) trunk diameter

Average Dried Weight: 47 lbs/ft3 (755 kg/m3)

Specific Gravity (Basic, 12% MC): .60, .75

Janka Hardness: 1,580 lbf (7,030 N)

Modulus of Rupture: 14,700 lbf/in2 (101.4 MPa)

Elastic Modulus: 1,630,000 lbf/in2 (11.24 GPa)

Crushing Strength: 7,500 lbf/in2 (51.7 MPa)

Shrinkage: Radial: 4.2%, Tangential: 6.6%, Volumetric: 10.8%, T/R Ratio: 1.6

Color/Appearance: Heartwood is a medium to light reddish brown. Wide sapwood is a light yellow, clearly distinguished from the heartwood. Very similar in appearance to Kentucky Coffeetree.

Grain/Texture: Grain is usually straight or slightly irregular, with a medium uneven texture. Moderate natural luster.

Endgrain: Ring-porous; 3-5 rows of large to very large earlywood pores, medium to small latewood pores commonly arranged in tangential bands; tyloses absent, other reddish heartwood deposits occasionally present; growth rings distinct; medium to wide rays visible without lens, wide spacing; parenchyma banded, parenchyma vasicentric, and latewood is commonly lozenge and confluent.

Rot Resistance: Rated as moderately durable to durable; susceptible to insect attacks.

Workability: Honey Locust can be difficult to work with hand and machine tools on account of its density, though it generally produces good results. Turns, glues, stains, 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 Honey Locust. See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information.

Pricing/Availability: Not widely or commonly available, limited quantities of Honey Locust are sometimes available within its natural range. Prices are likely to be in the mid to upper range for a domestic hardwood.

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

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