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PYAUKSEIK (Holoptelea integrifolia)

Trade Name

Pyaukseik

Scientific Name

Holoptelea integrifolia Planch.

Family

ULMACEAE

Common Names

Papara (India); Wowoli (India); Thale (Myanmar); Indian elm (India); Pyankseik (Myanmar)

Description Of The Tree

Botanical Description

It is a large to very large tree which can attain over 100 cm in diameter, with cylindrical boles up to 18 meters.

Wood Identification

Anatomic Description Of Wood

Tangential diameter of vessel lumina 100 micras or less (very small). Vessels per mm2 more than 20 (very abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits small, 7 micras or less. Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Septate fibers present. Fibers with distinctly bordered pits.

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

Availability

Cites Status

Unrestricted

General Wood Description

Color

The heartwood is white yellow or yellow brown.

COLOR INDEX (1=Black, 7=Light yellow,white)

7

Grain

The grain is straight or interlocked

Texture

The texture is medium to coarse.

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)

0.62

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

0.69

Wood Chemical Properties

Wood Mechanical Properties

Workability

Sawing

This species is easy to saw.

Rotary Veneer Cutting

This timber is reported to be suitable for lamination.

Sliced Veneer

This timber is reported to be suitable for lamination.

Machining

Machining operations are rather easy.

Moulding

Molding of this species is reported to be easy.

Sanding

Sanding of this species is reportedly easy.

REFERENCED USES

End Uses Summary

HOUSING GENERAL, PLYWOOD AND VENEER, TOOLS, agricultural tools, OTHER AND MUSICAL INSTRUMENTS, handicrafts, pencil

General Housing
  • 10 - Silica in Timbers
Panels, Veneers
  • 25 - Directory of Timber Trade Malaysia
Tools
  • 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Agricultural Tools
  • 44 - Atlas of Peruvian Woods
Handcraft
  • 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Pencils
  • 67 - Maderas latinoamericanas. VIII, Calophyllum brasilense, Couratari panamensis, Dendropanax arboreum y Bombacopsis sessilis

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