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PARDILLO NEGRO (Cordia thaisiana)
Trade Name
Pardillo Negro
Scientific Name
Cordia thaisiana G. Agostini
Family
BORAGINACEAE
Common Names
Picana negra (Bolivia); Laurel negro (Ecuador); Tarare (Venezuela); Roble Prieto (Venezuela); Pardillo De Monte (Venezuela); Pardillo (Venezuela); Cautaro (Venezuela); Candelero (Venezuela); Canalete (Venezuela); Alatrique (Venezuela); Pardillo Negro
Description Of The Tree
Botanical Description
It is a tall tree, it attains heights from 20 to 40 m, This species is reported to present medium to well developed buttresses.
Natural Distribution
The geographical range for this species is from south east Mexico and the Antilles down to Venezuela. It also is reported in Bolivia.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 to 150 micras (small). Tyloses common. Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pit Occasionally axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. 3 to 4 cells per parenchyma strand. Occasionally rays less than 4 per mm (rare). Rays less than 4 per mm (rare). Occasionally larger rays width 0. 1 mm or more and 2 mm or more in height. Larger rays more than 4 seriate. Prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Odor and taste are indistinct.
Color
The sapwood is differentiated, it is pale yellow, the heartwood is brown to yellowish brown when dry.
Grain
Straight or interlocked grain is often found in this species.
Texture
The wood is reported to be frequently medium textured.
Luster
Luster is generally moderate to high.
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)
0.69
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.77
Total shrinkage Tangential (Saturated to 0%MC) (%)
7.4
Total shrinkage Radial (Saturated to 0%MC) (%)
4.0
Drying Defects
Ease of Drying: It is reported to dry at a very lowly rate. Drying Defects: A marked tendency to check and end split is reported, but warping is small. Kiln Schedules: Lumber over 2.5 cm in thickness should be air seasoned before drying. Very slow drying is recommended.
Recommended Dry Kiln Schedule
UK-E; US-T6-D2
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.9
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1101
Stiffness (MOE) 12%MC (kgf/cm²)
111010
Workability
Machining
Machining of this species is easy to fair.
Finishing
It has a very smooth and attractive finishing.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, joists, boards, frames, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, Decorative veneer, NAVAL CONSTRUCTION, boat hulls
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Frames
- 16 - Woods of the World
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boat Hulls
- 57 - Estadísticas de Aprovechamiento, Exportación y comercialización Nacional de Productos Forestales
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