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HUACAMAYO CASPI (Sickingia tinctoria)
Trade Name
Huacamayo caspi
Scientific Name
Sickingia tinctoria (Kunth) K. Schum.
Family
RUBIACEAE
Common Names
Huacamayo Caspi (Peru)
Scientific Name Synonyms
Sprucea rubescens Benth.; Simira tinctoria Aubl.; Simira rubescens (Benth.) Bremek. ex Steyerm.; Sickingia xanthostema K. Schum.; Sickingia japurensis K. Schum.; Psychotria tinctoria (Aubl.) Raeusch.; Macrocnemum tinctorium Kunth; Condaminea tinctoria (Kunth) DC.
Description Of The Tree
Botanical Description
The tree is small to medium size, with cylindrical boles. It reaches a total height of 20 m with diameters of 70 cm in the average. Commercial lengths of 14 m in the average are reported.
Natural Habitat
Sickingia tinctoria is reported in primary and secondary tropical rain forests, on well drained, non-inundable areas. It is found up to 700 m of altitude.
Natural Distribution
S. tinctoria is reported in the Peruvian Amazon basin in the departments of Loreto, San Martin and Huanuco.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels in radial multiples of 2 to 4. 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 s Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). 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). Septate fibers present. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Odor and taste are reported to be indistinct.
Color
The sapwood is not differentiated from the heartwood which is yellowish red.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
It has straight grain.
Texture
The wood is typically fine in texture.
Luster
This wood is commonly of high luster.
Natural Durability
S. tinctorea is reported to be resistant against decay.
Natural durability index (1= Very high durability, 7=Vey low durability)
2
Resistance To Impregnation
The sapwood is easily preserved with water soluble preservatives, but the heartwood presents a moderate penetration.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.72
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.81
Total shrinkage Tangential (Saturated to 0%MC) (%)
8.8
Total shrinkage Radial (Saturated to 0%MC) (%)
5.3
Drying Defects
Drying Defects: Severe cupping is reported.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.7
Wood Chemical Properties
Wood Mechanical Properties
Workability
Sawing
Sawing of this species is easy.
Planing
This species is easy to plane.
Moulding
Molding operations are rather easy.
Turning
30
Boring
Boring operations are rated as fair.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, joists, frames, panelling, fittings, PLYWOOD AND VENEER, TURNING, PACKING
General Housing
- 10 - Silica in Timbers
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Frames
- 16 - Woods of the World
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Fittings
- 19 - Silica in Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Turning
- 30 - Embassy of Honduras in Japan
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
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