PACORA (Cespedezia spathulata)
Trade Name
Pacora
Scientific Name
Cespedezia spathulata (Ruiz & Pavon) Planch.
Family
OCHNACEAE
Common Names
Malafaria (Brazil); Laupe (Peru); Pacora (Colombia); Pacó (Colombia); Paili (Bolivia); Mankuakua (Ecuador); Cruz Caspi (Ecuador); Pacora (Ecuador)
Description Of The Tree
Botanical Description
This species is reported to reach heights between 25 to 30 m. The diameter at breast height is 60 cm in the average.
Natural Habitat
It is found in the tropical rain forests of South America, from the sea level up to 2,000 m of altitude, although it prefers low altitudes.
Natural Distribution
This genus is reported to be distributed from Panama and the northern South America, down to Bolivia.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 150 to 200 micras (medium). Occasionally white deposits in heartwood vessels. Vestured pits. Vessels per mm2 10 to 20 (abundant). Simple perforation plates Paratracheal axial parenchyma thin vasicentric. 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. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood has no specific odor or taste.
Color
The sapwood is pink, the heartwood gradually changes to reddish brown.
Grain
The grain is straight or interlocked
Texture
The wood is mostly medium in texture.
Luster
The wood is described as moderate in luster.
Natural durability index (1= Very high durability, 7=Vey low durability)
4
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.54
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.59
Total shrinkage Tangential (Saturated to 0%MC) (%)
14.0
Total shrinkage Radial (Saturated to 0%MC) (%)
7.3
Drying Defects
Ease of Drying: It air seasons rapidly. Drying Defects: Warping is reported to be moderate to severe, checking and splitting are absent to moderate. Risk of blue stain is reported.
Recommended Dry Kiln Schedule
JUNAC-B
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.9
Wood Chemical Properties
Wood Mechanical Properties
Workability
Rotary Veneer Cutting
This species can be used for general purpose plywood. Thermal treatments are recommended.
Sliced Veneer
This species can be used for general purpose plywood. Thermal treatments are recommended.
Machining
This species is easy to machine.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, flooring, parquet, steps, panelling, FURNITURE AND CABINETS
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
Steps
- 17 - Tree Conservation Database
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
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