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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.

  • Wood Macro Photo Radial Plane
  • Wood Micro Photo Of Transversal Section

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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