Moluccan Albizia
Scientific name: Albizia moluccana
Overview
Moluccan Albizia is a very fast-growing tropical tree in the Fabaceae family, native to parts of the Moluccas and surrounding areas of Southeast Asia and widely introduced throughout tropical regions. Albizia moluccana is well known for its rapid growth and ability to produce large trees within relatively short periods.
The wood is typically pale cream, yellowish white, or light brown and is considerably lighter and softer than many tropical hardwoods. Grain is generally straight to somewhat interlocked, while texture ranges from medium to coarse. Because of its low density, Moluccan Albizia is used primarily where lightweight material and easy machining are more important than hardness or wear resistance.
The species is especially interesting when compared with other Albizia woods such as Red Siris, White Siris, and East Indian Walnut. Together, these species demonstrate the considerable differences in color, density, hardness, and woodworking characteristics that can occur within the same genus.
Quick Facts
- Common Name: Moluccan Albizia
- Alternate Common Name(s): Moluccan Albizia, Batai
- Scientific Name: Albizia moluccana
- Region: Asian Hardwoods
- Tree Size: Approximately 80–130 ft (24–40 m) tall, occasionally larger
- Average Dried Weight: Approximately 20–25 lbs/ft³ (320–400 kg/m³), with considerable variation
- Janka Hardness: Reliable standardized species-specific value is not consistently documented
- Grain: Generally straight to interlocked
- Texture: Medium to coarse
Identification Characteristics
Moluccan Albizia generally produces pale cream to yellowish-white or light brown wood. Heartwood and sapwood can be difficult to distinguish because both portions of the trunk may remain relatively pale.
The grain is generally straight but may become interlocked or irregular. Texture is typically medium to coarse, and the low density of the wood is one of its most noticeable physical characteristics.
Key identification traits include:
- Cream to pale yellowish-brown wood
- Limited heartwood and sapwood contrast
- Generally straight to interlocked grain
- Medium to coarse texture
- Very lightweight character
- Relatively soft surface
- Subdued natural luster
Working Properties
Moluccan Albizia is generally easy to cut and machine because of its low density. However, the same softness that makes it easy to work can create challenges when producing crisp edges and exceptionally smooth surfaces.
Sharp cutting tools are recommended because dull edges can compress or tear the softer fibers. Interlocked sections may also produce localized tear-out during planing.
- Cuts easily with hand and machine tools
- Machines readily with sharp cutters
- Easy to shape and carve
- Turns reasonably well with sharp tools
- Sands readily
- Soft fibers may produce fuzzy surfaces
- Limited resistance to dents and abrasion
Safety Note
Detailed species-specific information concerning reactions to Moluccan Albizia wood dust is limited. Dust generated when cutting, routing, turning, or sanding any wood can irritate the eyes, skin, and respiratory system.
Appropriate dust collection, eye protection, and respiratory protection are recommended during woodworking operations.
Common Uses
The lightweight character and easy workability of Moluccan Albizia make it useful for applications where low weight is more important than exceptional hardness or wear resistance. It is used for numerous woodworking and utility applications, including:
- Lightweight furniture
- Interior components
- Boxes and crates
- Plywood
- Veneer
- Carving
- Turned objects
- Light construction
- Utility woodworking
- Wood collections
Sustainability & Notes
Moluccan Albizia is notable for exceptionally rapid growth and has been planted extensively in tropical forestry, agroforestry, shade plantings, and land-management projects. Its ability to produce usable timber relatively quickly has contributed to its commercial and plantation interest.
However, rapid growth can also contribute to lower wood density and reduced hardness compared with slower-growing tropical hardwoods. This relationship makes the species particularly useful for demonstrating how growth characteristics can influence wood properties.
Outside its original range, introduced populations should be evaluated according to local ecological conditions because rapidly growing non-native trees can become problematic in some environments.
Comparative Notes & Related Species
White Siris – A related Asian Albizia producing heavier and generally stronger wood, providing a useful comparison with the lightweight character of Moluccan Albizia.
Red Siris – Another Albizia with substantially darker reddish-brown heartwood and greater density, demonstrating the visual and physical diversity within the genus.
East Indian Walnut – A darker Albizia valued for furniture and general woodworking, providing another strong comparison with the pale and lightweight Moluccan Albizia.
Related Guides
Albizia Species Guide
Explore the Albizia genus and compare Moluccan Albizia with Red Siris, White Siris, East Indian Walnut, and other species based on appearance, density, geographic distribution, and woodworking characteristics.
Density & Hardness Explained (Janka Scale Guide)
Learn how density and Janka hardness influence dent resistance, machining characteristics, weight, durability, and the suitability of wood for different applications.
Hardwood vs. Softwood: Key Differences Explained
Discover why botanical hardwoods can sometimes produce extremely lightweight and soft wood, while certain softwoods can be considerably harder and denser.
Best Woods for Furniture Making
Compare furniture woods based on weight, strength, stability, workability, appearance, durability, and long-term performance.
Understanding Wood Shrinkage Values Explained
Learn how radial, tangential, and volumetric shrinkage influence dimensional stability as lumber dries and adjusts to changing environmental conditions.
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
Moluccan Albizia is an excellent collector species because its very lightweight wood contrasts dramatically with the dense tropical hardwoods commonly associated with Southeast Asia.
It becomes particularly educational when displayed alongside White Siris, Red Siris, and East Indian Walnut. A four-species Albizia collection demonstrates how members of the same genus can differ substantially in coloration, density, texture, and woodworking performance.
Collectors should retain the scientific identification and geographic provenance of specimens because Albizia common names vary considerably among countries and timber markets.
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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.
Learn more about contributing to the collection:
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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