Iroko (African Teak substitute)
Milicia excelsa • Exotic/Tropical Hardwood
Grain Pattern
Interlocked grain which can create ribbon-stripe figure on quarter-sawn surfaces; coarse texture with open pores and a zig-zag appearance of parenchyma on the face grain.
Color Description
Heartwood is typically a yellow to golden brown, maturing to a darker brown over time. Sapwood is clearly demarcated pale yellow. Exhibits moderate natural luster and some chatoyance.
Hardness Rating
1,260 lbf (Hard)
Durability Rating
Very Durable; excellent resistance to both rot and insect attack (termites). Often compared to Teak for its longevity in outdoor environments.
Common Uses
Veneer, flooring, boat building, cabinetry, furniture, outdoor construction, and turned objects.
Geographic Origin
Tropical Africa (West and East Coast regions)
Market Value & Sustainability
Estimated Market Value
$10.00 - $15.00 per board foot
Wood Age Estimate
Modern lumber, likely processed within the last 1-3 years based on lack of heavy silvering and Sharp mill-planed edges.
Sustainability Status
IUCN Red List: Near Threatened. Not currently CITES listed, but populations have declined due to over-harvesting.
Workability
Generally works well, though interlocked grain can cause tearout during planing. Contains calcium carbonate deposits (stone) that can severely dull cutting edges.
Notable Features
Often referred to as African Teak though unrelated to Tectona grandis. It has no distinct odor when dry but is known to be a potent sensitizer causing skin and respiratory irritation.
Finish Recommendations
Takes most finishes well. Due to its oily nature and open pores, a grain filler is recommended for a smooth gloss finish. Teak oil or polyurethane work best for preserving hue.
Identification Confidence
High; the combination of the specific golden-brown hue, large open vessels with visible parenchyma paths, and the slight ribbon-stripe figure is characteristic of Milicia excelsa.