< Volver PACORA (Cespedezia spathulata) Vista Imprimible
PACORA (Cespedezia spathulata)
Nombre comercial
Pacora
Nombre científico (con autor)
Cespedezia spathulata (Ruiz & Pavon) Planch.
Familia
OCHNACEAE
Nombres Comunes
Malafaria (Brazil); Laupe (Perú); Pacora (Colombia); Pacó (Colombia); Paili (Bolivia); Mankuakua (Ecuador); Cruz Caspi (Ecuador); Pacora (Ecuador)
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
This species is reported to reach heights between 25 to 30 m. The diameter at breast height is 60 cm in the average.
Hábitat natural
It is found in the tropical rain forests of South America, from the sea level up to 2,000 m of altitude, although it prefers low altitudes.
Distribución natural
This genus is reported to be distributed from Panama and the northern South America, down to Bolivia.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 150 to 200 micras (medium). Occasionally white deposits in heartwood vessels. Vestured pits. Vessels per mm2 10 to 20 (abundant). Simple perforation plates Paratracheal axial parenchyma thin vasicentric. Prismatic crystals in non-chambered axial parenchyma cells. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
The wood has no specific odor or taste.
Color
The sapwood is pink, the heartwood gradually changes to reddish brown.
Grano
The grain is straight or interlocked
Veta
The wood is mostly medium in texture.
Brillo
The wood is described as moderate in luster.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
4
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.54
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.59
Contracción Tangencial Total (Saturado hasta anhidro) (%)
14.0
Contracción Radial Total (Saturado hasta anhidro) (%)
7.3
Defectos por secado
Ease of Drying: It air seasons rapidly. Drying Defects: Warping is reported to be moderate to severe, checking and splitting are absent to moderate. Risk of blue stain is reported.
Calendario de Secado
JUNAC-B
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.9
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
TRABAJABILIDAD
Corte de chapa rotativa
This species can be used for general purpose plywood. Thermal treatments are recommended.
Chapa tranchada
This species can be used for general purpose plywood. Thermal treatments are recommended.
Maquinado general
This species is easy to machine.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, flooring, parquet, steps, panelling, FURNITURE AND CABINETS
VIVIENDA GENERAL
- 10 - Silica in Timbers
Pisos
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
Peldaños
- 17 - Tree Conservation Database
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Please Provide Information To View Producer Information