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MINDAL (Simira cordifolia)
Trade Name
Mindal
Scientific Name
Simira cordifolia (Hook. f.) Steyerm.
Family
RUBIACEAE
Common Names
Mindal (Ecuador); Mangle (Ecuador); Jicopo (Ecuador); Bipicague (Ecuador); Manglillo (Ecuador); Yunkiñia (Ecuador)
Scientific Name Synonyms
Sickingia cordifolia Hook. f.
Description Of The Tree
Botanical Description
It is a medium size tree, it attains heights of 25 m, with a diameter at breast height of 70 cm. Trees of this species are reported to have 5 to 9 well developed buttresses of 2 m tall or more.
Natural Habitat
Simira cordifolia grows in primary forests and also in intervened areas, from the sea level up to 1,000 m of altitude. It prefers humid and fertile soils.
Natural Distribution
This species is reported to occur in Ecuador and Peru, in the Amazonian forests and the Andes mountains.
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). Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Rays as wide or wider than the pores. Larger rays more than 4 seriate.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
S. cordifolia wood has a pleasant smell.
Color
The pink sapwood is differentiated from the heartwood which is reddish yellow when dry.
Grain
This species is reported to have straight grain.
Texture
The wood is frequently reported to be fine textured.
Luster
This species is moderate in luster.
Natural durability index (1= Very high durability, 7=Vey low durability)
4
Silica Content
Silica Content: It contains 0.07% silica. Silica Value: 0.07
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.75
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.85
Drying Defects
Ease of Drying: Air seasoning is reported to be moderate. Drying Defects: Cupping and twisting are reported.
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1020
Stiffness (MOE) 12%MC (kgf/cm²)
110000
Compression parallel to fiber 12%MC (kgf/cm²)
580
Compression perpendicular to fiber 12%MC (kgf/cm²)
110
Shear strength radial 12%MC (kgf/cm²)
150
Janka hardness (side) 12%MC (kgf)
650
Janka hardness (end grain) 12%MC (kgf)
750
Workability
Sawing
This species is easy to saw.
Planing
This species gave good results when using a 25 degrees cutting angle.
Moulding
This species is easy to mold.
Boring
It is easy to bore.
Sanding
Sanding of this species is reportedly easy.
REFERENCED USES
End Uses Summary
HOUSING GENERAL
General Housing
- 10 - Silica in Timbers
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