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SAQUI-SAQUI, CEIBA TOLUA (Bombacopsis quinata)

Trade Name

Saqui-saqui, Ceiba tolua

Scientific Name

Bombacopsis quinata (Jacq.) Dugand

Family

BOMBACACEAE

Common Names

Tolua; Tolu; Sumauma de tirra ferme; Sumauma; Coton; Ceiba tolua; Ceiba del tolu; Ceiba colarado; Cedrillo; Cartageno; Cedro Macho (Costa Rica); Huimba (Peru); Ceiba (Ecuador); Ceiba Colorada; Caoba Bastarda; Cedro Dulce (Venezuela); Saqui-Saqui (Venezuela); Pochote; Murea (Venezuela); Ceiba Tolúa (Colombia); Cedro Macho (Colombia); Cedro Espinoso (Panama); Cedro Espino; Sumauma De Tierra Firme; Saqui; Lanillo; Masguara; Jaris; Ceiba Tolú; Ceiba Macho; Espinoso; Mahot Coton (United States of America)

Scientific Name Synonyms

Pachira quinata (Jacq.) W.S. Alverson; Bombax quinatum Jacq

Description Of The Tree

Botanical Description

It is reported to attain heights of up to 40 m, with cylindrical and straight boles up to 20 m long. The diameter is commonly 80 cm in diameter. The tree is covered with prickles, and it usually develops irregular stems.

Natural Habitat

Bombacopsis quinata is found in tropical rain forests, in well drained soils, on the upper slopes of hills and ridges. Burning, overexploitation of the timber and increasing settlement and conversion of the habitat for agriculture are causing population a

Natural Distribution

This species is found from southern Honduras to northern Colombia and Venezuela, it occurs in the more open forests of Nicaragua, Costa Rica, and Panama.

Plantations Available?

The species is grown in small-scale species trials in Kenya and the Solomon Islands.

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Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 200 micras or more (large). Tyloses common. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits larger than the intervessel pits Occasionally axial parenchyma in marginal or in seemingly marginal bands. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma storied. Prismatic crystals in non-chambered axial parenchyma cells. Occasionally prismatic crystals 4 to 10 rays per mm (medium). Occasionally rays storied. Larger rays more than 4 seriate. Occasionally prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with one row of upright and/or squa 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

It has no discernible odor.

Color

The sapwood is pale yellow-white in color, it is distinct from the heartwood. The heartwood is reddish brown.

COLOR INDEX (1=Black, 7=Light yellow,white)

5

Grain

The grain is straight to interlocked.

Texture

The wood is coarse textured.

Luster

Luster is described as medium.

Natural Durability

It is resistant to white-rot fungi and very durable to brown-rot fungi, but vulnerable to attack by dry-wood and subterranean termites. It has good resistance to marine borers.

Natural durability index (1= Very high durability, 7=Vey low durability)

3

Resistance To Impregnation

The heartwood is very difficult to treat with preservatives. The sapwood is moderately permeable with irregular penetration.

Wood Physical Properties

Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)

0.47

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

0.51

Total shrinkage Tangential (Saturated to 0%MC) (%)

5.7

Total shrinkage Radial (Saturated to 0%MC) (%)

3.7

Drying Defects

Ease of Drying: Drying is reported to be rapid with almost no degrade.

Recommended Dry Kiln Schedule

JUNAC-A

Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)

1.5

Wood Chemical Properties

Wood Mechanical Properties

Bending Strength (MOR),12%MC (kgf/cm²)

714

Stiffness (MOE) 12%MC (kgf/cm²)

97956

Compression parallel to fiber 12%MC (kgf/cm²)

393

Compression perpendicular to fiber 12%MC (kgf/cm²)

48

Shear strength radial 12%MC (kgf/cm²)

58

Janka hardness (side) 12%MC (kgf)

299

Janka hardness (end grain) 12%MC (kgf)

379

Workability

Sawing

The wood is reported to have low resistance to cutting.

Rotary Veneer Cutting

This species is interesting for peeling.

Sliced Veneer

This species is interesting for peeling.

Blunting Effect

Blunting effect on cutting edges is rated as slight.

Planing

Planing characteristics are reported to be good.

Boring

The wood is reported to have good boring properties.

Nailing

It has good nailing characteristics, with good nail holding.

Gluing

The wood is reported to glue well.

Sanding

Sanding properties are reported to be very good.

Finishing

It is reported to yield smooth surfaces in finishing.

Staining

Staining properties are rated as good.

Response To Hand Tools

Response to hand tools is rated as good.

REFERENCED USES

End Uses Summary

HOUSING GENERAL, panelling, fittings, shutter boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, common veneer, OTHER AND MUSICAL INSTRUMENTS, matches, moldings, particleboard, cementboard

General Housing
  • 10 - Silica in Timbers
Paneling
  • 18 - W3TROPICOS Missouri Botanical Garden
Fittings
  • 19 - Silica in Timbers
Shutter Boards
  • 20 - Prospect: The wood database
Furniture Cabinets
  • 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
  • 25 - Directory of Timber Trade Malaysia
Common Veneer
  • 29 - Embassy of Ecuador in Japan
Matches
  • 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
Molding
  • 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Particleboard
  • 80 - Estudio Integral de la Madera para Construcción
Cementboard
  • 81 - Madeiras da Amazônia: descrição do lenho de 40 espécies ocorrentes na Floresta Nacional do Tapajós

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