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GUAYABI (Patagonula americana)
Nombre comercial
Guayabi
Nombre científico (con autor)
Patagonula americana L.
Familia
BORAGINACEAE
Nombres Comunes
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
Nombres científicos sinónimos (con autores)
Patagonula glabra Miers; Patagonula australis Salisb.; Cordia patagonula Aiton
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
P. americana is often about 10 to 25 m in height, with a trunk diameter of about 70 to 80 cm.
Hábitat natural
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.
Distribución natural
In Brazil this species is reported to grow from the north-east of Rio Grande do Sul until Sao Paulo.
Usos No-maderables
The sapwood of P. americana is locally used for bow making by the Bolivian natives.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
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).
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
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.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
2
Grano
This species is reported to have straight grain.
Durabilidad Natural
It is considered as moderately durable provided it is not in contact with the ground.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
3
Dificultad para impregnar
It has a high absorption of oil and water based preservatives.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.69
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.78
Contracción Tangencial Total (Saturado hasta anhidro) (%)
8.2
Contracción Radial Total (Saturado hasta anhidro) (%)
4.3
Defectos por secado
Ease of Drying: In air dry condition it dries slowly with little warping. Drying Defects: Checks and splits when big dimensions are used.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.9
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1360
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
549
TRABAJABILIDAD
Aserrado
Sawmilling of this species is reportedly easy.
Maquinado general
It is reported to be easy to process, with a good finishing.
Cepillado
Planing of this species is reported to be easy.
Taladrado
This species is easy to bore.
Acabado
It is easy to finish.
Doblar al vapor
It is reported to be possible to bend.
Especies sustitutas
It is reported to be comparable with European Beech (Fraxinus excelsior) and African Limba (Terminalia superba).
Usos Reportados
USOS FINALES (RESUMEN)
FURNITURE AND CABINETS, TOOLS, agricultural tools
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
HERRAMIENTAS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Mangos agrícolas
- 44 - Atlas of Peruvian Woods
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