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ANONGO (Turpinia ovalifolia)
Trade Name
Anongo
Scientific Name
Turpinia ovalifolia Elmer
Family
STAPHYLEACEAE
Common Names
Tigatbo (Philippines); Balay balayan (Philippines); Anongo (Philippines)
Scientific Name Synonyms
Turpinia trifoliata Ridley; Turpinia lucida Nakai
Description Of The Tree
Botanical Description
It is a small to medium-sized tree growing to a height of 20 m or more and 40 cm in diameter. The bole is short, forking low from the ground. The buttresses are low, rounded.
Natural Habitat
Turpinia ovalifolia is found in evergreen primary and secondary lowland to montane rain forests, up to 2,000 m of altitude.
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 reticulate and/or foraminate. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits medium, 7 to 10 micras. Occasiona Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma confluent unilateral paratracheal. 3 to 4 cells per parenchyma strand. Ray height more than 1 mm. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Occasionally body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Homogeneous rays and/or sub-homogeneous rays (all ray cells procum Fibers with simple to minutely bordered pits. Non-septate fibers.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is whitish-yellow, not clearly differentiated from the sapwood.
Grain
The grain is usually straight.
Texture
The texture is typically fine to medium.
Natural Durability
The heartwood is susceptible to dry-wood termites and blue stain fungi.
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)
0.36
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.39
Total shrinkage Tangential (Saturated to 0%MC) (%)
5.2
Total shrinkage Radial (Saturated to 0%MC) (%)
2.8
Drying Defects
Ease of Drying: Drying is easy; it can be performed without any problem. Drying Defects: No particular risks of drying defects, subject to normal drying conditions. 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 %)
1.9
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
676
Stiffness (MOE) 12%MC (kgf/cm²)
72909
Compression parallel to fiber 12%MC (kgf/cm²)
330
Compression perpendicular to fiber 12%MC (kgf/cm²)
56
Shear strength radial 12%MC (kgf/cm²)
74
Workability
REFERENCED USES
End Uses Summary
FURNITURE AND CABINETS, TOOLS, PACKING, OTHER AND MUSICAL INSTRUMENTS, paper
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Paper
- 82 - Compilation of Data on the Mechanical Properties of Foreign woods (Part 2) Central and South America.
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