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LOURO (Ocotea neesiana)

Trade Name

Louro

Scientific Name

Ocotea neesiana (Miq.) Kosterm.

Family

LAURACEAE

Common Names

Louro (Brazil)

Scientific Name Synonyms

Oreodaphne florulenta Meisn.; Ocotea florulenta (Meisn.) Mez; Nectandra neesiana Miq.

Description Of The Tree

Botanical Description

The trees are reported to have commercial lengths of 12 m, with trunk diameters of 70 cm in the average.

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Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Vessels solitary and in short radial multiples. Occasionally tangential diameter of vessel lumina 200 micras or more. Tangential diameter of vessel lumina 200 micras or more (large). Tyloses common. Vessels per mm2 10 to 20 (abundant). Occa Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally axial parenchyma confluent. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Oil and/or mucilage cells at marginal cells of ray parenchyma. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). 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 a strong pleasant smell.

Color

The wood is slightly differentiated. The heartwood is yellowish brown or pale brown.

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

4

Grain

The grain is mostly interlocked.

Texture

This wood has a somewhat medium texture.

Luster

Wood luster is reported to be rather high.

Resistance To Impregnation

It is resistant to preservative treatment.

Wood Physical Properties

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

0.63

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

0.70

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

7.8

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

3.6

Drying Defects

Ease of Drying: Air drying is rated as moderate. Drying Defects: Slight cupping is reported.

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

2.2

Wood Chemical Properties

Wood Mechanical Properties

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

1101

Stiffness (MOE) 12%MC (kgf/cm²)

121000

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

612

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

73

Shear strength radial 12%MC (kgf/cm²)

127

Janka hardness (side) 12%MC (kgf)

503

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

458

Workability

Sawing

Sawing of this species is easy.

Machining

It is easy to machine.

Planing

Planing operations are rated as easy, but very bad finishing is reported because of torn surfaces.

Turning

30

Gluing

Gluing of this species is easy.

Sanding

Sanding is rated as good, with fair finishing because of fuzzy surfaces.

Finishing

The response of this species in finishing is fair.

Response To Hand Tools

It is reported to be moderately difficult to cut with hand tools.

REFERENCED USES

End Uses Summary

HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, TOOLS, tool handles, agricultural tools, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, handicrafts, axle, yoke

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
Flooring
  • 14 - Handbook of Hardwoods
Frames
  • 16 - Woods of the World
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.
Panels, Veneers
  • 25 - Directory of Timber Trade Malaysia
Decorative veneer
  • 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Turning
  • 30 - Embassy of Honduras in Japan
Ornaments
  • 31 - Embassy of Colombia in Japan
Turned Articles
  • 32 - Embassy of Cote d`Ivoire in Japan
Knife Handles
  • 33 - Embassy of Gabon in Japan
Tools
  • 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
  • 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Agricultural Tools
  • 44 - Atlas of Peruvian Woods
Truck Body
  • 53 - Timbers of the New World
Truck Flooring
  • 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Shipbuilding
  • 55 - Tropical Timber Atlas of Latin America
Boat Decking
  • 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Handcraft
  • 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Axles
  • 73 - Handbook of Hardwoods
Yokes
  • 74 - World Timbers, Vol.2, North and South America

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