Santos Rosewood
Scientific name: Machaerium nyctitans
Overview
Santos Rosewood is a tropical hardwood native to South America, occurring primarily in Brazil, Paraguay, Argentina, and Uruguay. Despite its common name, it is not a true rosewood (Dalbergia spp.), but instead belongs to the Machaerium genus within the legume family (Fabaceae). The name “Santos Rosewood” arose from its rich coloration and attractive figure, which resemble true rosewoods.
The wood is prized for its exceptional hardness, outstanding durability, excellent dimensional stability, and beautiful reddish-brown to violet-brown heartwood. These characteristics have made Santos Rosewood a popular choice for premium flooring, fine furniture, cabinetry, architectural millwork, musical instruments, and specialty woodworking projects.
Quick Facts
- Common Name: Santos Rosewood
- Scientific Name: Machaerium nyctitans
- Region: South American Hardwoods
- Tree Size: 50–80 ft (15–25 m) tall, 1.5–3 ft (0.5–0.9 m) trunk diameter
- Average Dried Weight: Approximately 61 lbs/ft³ (980 kg/m³)
- Janka Hardness: Approximately 2,200 lbf
- Grain: Straight to slightly interlocked
- Texture: Fine to medium
Identification Characteristics
Santos Rosewood develops a heartwood ranging from golden reddish-brown to deep violet-brown, often accented by darker streaks that create an elegant appearance. The sapwood is pale yellow to cream and is sharply separated from the heartwood. The grain is generally straight but may occasionally become interlocked or display attractive figure. The texture is fine to medium with a naturally high luster that gives finished surfaces a polished appearance.
Key identification traits include:
- Golden reddish-brown to violet-brown heartwood
- Dark brown or black streaking
- Cream to pale yellow sapwood
- Straight to slightly interlocked grain
- Fine to medium texture
- High natural luster
Working Properties
Santos Rosewood is a dense, durable hardwood that machines well with sharp carbide tooling. Although its density can dull cutting edges over time, it generally produces clean surfaces with minimal tear-out. The wood turns exceptionally well, glues satisfactorily with proper preparation, and finishes beautifully to a rich natural sheen.
- Machines well with carbide tools
- May dull cutters because of its density
- Turns exceptionally well
- Glues well with proper surface preparation
- Sands to an excellent finish
- Polishes to a high natural luster
Safety Note
Wood dust may cause skin, eye, or respiratory irritation in sensitive individuals. Some users have reported allergic reactions after repeated exposure to members of the Machaerium genus. Proper dust collection and personal protective equipment are recommended.
Common Uses
Thanks to its exceptional hardness, rich coloration, excellent durability, and attractive figure, Santos Rosewood is used for numerous woodworking applications, including:
- Fine furniture
- Cabinetry
- Premium flooring
- Architectural millwork
- Decorative veneer
- Turned objects
- Musical instruments
- Knife handles
- Luxury interior trim
- Specialty woodworking
Sustainability & Notes
Although Santos Rosewood resembles true rosewoods, it belongs to an entirely different genus. This distinction is important because it generally is not subject to the same international trade restrictions that affect many Dalbergia species. Nevertheless, responsible sourcing remains essential, and buyers should seek lumber harvested under legal and sustainable forestry practices.
Because several Machaerium species are marketed under similar trade names, verifying the scientific name helps ensure accurate identification.
Comparative Notes & Related Species
Pau Ferro – Another Machaerium species valued for its exceptional hardness, attractive coloration, and use in fine woodworking.
Brazilian Rosewood – A true Dalbergia rosewood with similar visual appeal but significantly different botanical classification and international trade regulations.
Kingwood – Another true rosewood prized for its rich coloration, dense texture, and decorative figure.
Related Guides
Rosewoods of the World – Learn the differences between true rosewoods and other hardwoods commonly marketed with the rosewood name.
Wood Families & Trade Groups – Discover how botanical relationships help distinguish visually similar hardwoods from different genera.
Understanding CITES & Protected Species – Learn why many true rosewoods are regulated while similar-looking species may not be.
Compare Wood Properties
See how this species ranks in density and hardness using our Wood Density & Janka Hardness Chart. You can also explore Hardest Woods, Softest Woods, and Most Dense Woods for quick comparisons.
Collector Notes
Santos Rosewood is an outstanding addition to any wood collection because it demonstrates how common trade names can differ significantly from botanical classification. Although its appearance closely resembles many true rosewoods, it belongs to the Machaerium genus. A documented sample alongside Brazilian Rosewood, Pau Ferro, and Kingwood provides an excellent educational comparison of similar-looking woods from different botanical groups.
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Wood Sample Collection
This species is part of an ongoing effort to document and preserve wood samples from around the world.
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Resources
Authoritative botanical and forestry references used in compiling information about this species include:
• USDA Forest Service – Wood Handbook: Wood as an Engineering Material
https://www.fpl.fs.usda.gov/products/publications/
• The Wood Database – Global reference for wood identification, physical properties, and woodworking characteristics
https://www.wood-database.com/
• Royal Botanic Gardens, Kew – Plants of the World Online – Botanical taxonomy and species distribution database
https://powo.science.kew.org/
• International Union for Conservation of Nature (IUCN Red List) – Global conservation status assessments
https://www.iucnredlist.org/
• Convention on International Trade in Endangered Species (CITES) – International trade regulations for protected plant species
https://cites.org/
Additional forestry publications, academic research papers, and regional timber studies may also be referenced where available.
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Availability & Where to Buy
Exotic hardwood availability can vary significantly depending on region, sustainability regulations, and supplier inventory.
As this archive grows, recommended suppliers and specialty wood retailers will be listed here to help woodworkers locate responsibly sourced material.
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