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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.

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

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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