LAGO (Prunus grisea)
Trade Name
Lago
Scientific Name
Prunus grisea (Blume) Kalkman
Family
Rosaceae
Common Names
Nut ton (Thailand); Amongyang (Philippines); Amatogan (Philippines); Lago (Philippines)
Scientific Name Synonyms
Pygeum melanocarpum Merr. & L.M. Perry; Pygeum latifolium Miq.; Pygeum vulgare (Koehne) Merr.
Description Of The Tree
Botanical Description
It is a small to fairly large tree, up to 35 m tall. The bole is crooked or straight and cylindrical, branchless for up to 15 m, with diameters of 100 cm. Occasionally, small buttresses are reported.
Natural Habitat
Prunus species are found in primary and secondary lowland to montane forests, up to 3,700 m of altitude.
Natural Distribution
It is present in Southern Myanmar, Vietnam, Thailand, and throughout the Malaysian region; possibly also in Taiwan.
Wood Identification
Anatomic Description Of Wood
Vessels per mm2 5 to 20. Wood diffuse porous. Tangential diameter of vessel lumina 100 to 200 micras. Vessel-ray pits coarse throughout the ray cell. Simple perforation plates. Intervessel pits small, 7 micras or less. Occasionally helical thickenings in vessel Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally axial parenchyma aliform. 5 to 8 cells per parenchyma strand. Ray height more than 1 mm. Ray width 1 to 3 cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Body Fibers with simple to minutely bordered pits. Fibers very thin walled.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is reddish brown. The sapwood is light colored.
Grain
This species is typically reported to have wavy or interlocked grain.
Texture
Texture is usually fine to medium.
Natural Durability
It is perishable and prone to decay and insect damage.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.57
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.62
Total shrinkage Tangential (Saturated to 0%MC) (%)
7.1
Total shrinkage Radial (Saturated to 0%MC) (%)
3.6
Drying Defects
Ease of Drying: Drying is rather slow and sometimes difficult to perform. Drying Defects: Risks of distortions. Kiln Schedules: Schedule proposed as a reference by comparison with well known species taking into account to the general technological behavior of this species.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.0
Wood Chemical Properties
Wood Mechanical Properties
Workability
Rotary Veneer Cutting
This species is reported to have good characteristics for lamination.
Sliced Veneer
This species is reported to have good characteristics for lamination.
Machining
Machining of this species is reported to be easy to fair.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, FURNITURE AND CABINETS, PLYWOOD AND VENEER
General Housing
- 10 - Silica in Timbers
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
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