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GUAYABI (Patagonula americana)

Trade Name

Guayabi

Scientific Name

Patagonula americana L.

Family

BORAGINACEAE

Common Names

Pau-d`arco; Lanza blanca; Ipe branco; Guayubi; Guayaibimoroti; Guayaibi ra; Guayaibi moroti; Guayaibi; Guayabil; Guayabi negro; Guayabi moroti; Guayabi d`argentine; Guayabi crespo; Guayabi blanco; Guayabi; Guatuvira; Guarapuvira; Guarapovira; Guaraiuva; Guajuvira branca; Guajubira; Guajivira; Guajibira; Guaijibira; Guaiaibira; Guaiabl branco; Guaiabira; Cuayabi; Crespo; Ape branco; Guayabi Amarillo; Guaiuvira (Brazil); Guajuvira; Guayaba

Scientific Name Synonyms

Patagonula glabra Miers; Patagonula australis Salisb.; Cordia patagonula Aiton

Description Of The Tree

Botanical Description

P. americana is often about 10 to 25 m in height, with a trunk diameter of about 70 to 80 cm.

Natural Habitat

Patagonula americana is a pioneer species found in primary and secondary forests. It prefers deep and humid soils, but it is also found in swampy areas.

Natural Distribution

In Brazil this species is reported to grow from the north-east of Rio Grande do Sul until Sao Paulo.

Non Timber Uses

The sapwood of P. americana is locally used for bow making by the Bolivian natives.

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Wood Identification

Anatomic Description Of Wood

Vessels in tangential pattern. Tangential diameter of vessel lumina 100 micras or less (very small). Axial parenchyma in continuous tangential lines (included in reticulate and scalariform).

  • 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 whitish in color, with a gradual transition into a light brown heartwood, with faint darker streaks.

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

2

Grain

This species is reported to have straight grain.

Natural Durability

It is considered as moderately durable provided it is not in contact with the ground.

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

3

Resistance To Impregnation

It has a high absorption of oil and water based preservatives.

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)

0.78

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

8.2

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

4.3

Drying Defects

Ease of Drying: In air dry condition it dries slowly with little warping. Drying Defects: Checks and splits when big dimensions are used.

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

1.9

Wood Chemical Properties

Wood Mechanical Properties

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

1360

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

549

Workability

Sawing

Sawmilling of this species is reportedly easy.

Machining

It is reported to be easy to process, with a good finishing.

Planing

Planing of this species is reported to be easy.

Boring

This species is easy to bore.

Finishing

It is easy to finish.

Steam Bending

It is reported to be possible to bend.

Substitute Species

It is reported to be comparable with European Beech (Fraxinus excelsior) and African Limba (Terminalia superba).

REFERENCED USES

End Uses Summary

FURNITURE AND CABINETS, TOOLS, agricultural tools

Furniture Cabinets
  • 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Tools
  • 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Agricultural Tools
  • 44 - Atlas of Peruvian Woods

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