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LEZA (Lagerstroemia tomentosa)
Trade Name
Leza
Scientific Name
Lagerstroemia tomentosa C. Presl
Family
LYTHRACEAE
Common Names
Kamaungthwe; Pyinmapyu; Leza (Myanmar)
Scientific Name Synonyms
Lagerstroemia tomentosa var. caudata Koehne
Description Of The Tree
Botanical Description
It is a large tree, up to 30 m in height, with diameters over 100 cm and clean, straight boles of 13 to 15 meters long
Wood Identification
Anatomic Description Of Wood
Vessels in diagonal and/or radial pattern. Vessels exclusively solitary (over 90%). Tyloses common. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Axial parenchyma aliform. Prismatic crystals in non-chambered axial parenchyma cells. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 5 to 8 cells per parenchyma strand. Axial parenchyma in narrow bands on lines up to 3 cells wide. 4 to 10 rays per mm (medium). Rays of two distinct sizes. Ray height more than 1 mm. Larger rays more than 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The sapwood is not clearly differentiated from the heartwood. The heartwood is red brown, dark brown or yellow brown and the heartwood is sometimes redder than the sapwood.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
The grain is straight to interlocked, sometimes wavy.
Texture
The texture is medium to coarse.
Natural Durability
The wood is considered as durable, but it rots in contact with the ground.
Natural durability index (1= Very high durability, 7=Vey low durability)
3
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.65
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.73
Total shrinkage Tangential (Saturated to 0%MC) (%)
9.1
Total shrinkage Radial (Saturated to 0%MC) (%)
5.9
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.5
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1223
Stiffness (MOE) 12%MC (kgf/cm²)
159000
Compression parallel to fiber 12%MC (kgf/cm²)
605
Workability
Machining
Machining of this species is easy to fair.
REFERENCED USES
End Uses Summary
SPORTS, NAVAL CONSTRUCTION, OTHER AND MUSICAL INSTRUMENTS, wheel
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Wheels
- 75 - Tropenholzer
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