LANETE (Wrightia arborea)
Trade Name
Lanete
Scientific Name
Wrightia arborea (Dennst.) Mabb.
Family
APOCYNACEAE
Common Names
Thng mc lng (Vietnam); Mc lng (Vietnam); Mok man (Thailand); Taung salat (Myanmar); Letthoke (Myanmar)
Scientific Name Synonyms
Wrightia tomentosa (Roxb.) Roem. & Schult.; Periploca arborea Dennst.; Nerium tomentosum Roxb.
Description Of The Tree
Botanical Description
It is a small to medium-sized tree up to 20 m tall. The bole is up to 35 cm in diameter.
Natural Habitat
This species is fairly common in deciduous forests and thickets, often along streams, up to 1,650 m of altitude.
Non Timber Uses
W. arborea contains an indigo yielding glucoside in the seeds, roots and leaves.
Wood Identification
Anatomic Description Of Wood
Tangential diameter of vessel lumina 100 micras or less (very small). Vestured pits. Vessels per mm2 more than 20 (very abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits small, 7 micras or les Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. 5 to 8 cells per parenchyma strand. Rays more than 10 per mm (abundant). Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is creamy white to pale yellow, sometimes with a pinkish tinge.
Grain
This timber usually has straight to slightly interlocked grain.
Texture
The wood is mostly fine in texture.
Luster
This wood is frequently lustrous.
Natural Durability
It has a low to very low resistance against biological degrade.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
Treatments either with oil or salt based preservatives give unsatisfactory results.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.56
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.62
Drying Defects
Ease of Drying: Drying is moderately easy; some particular care is needed. Drying Defects: Risks of checks. Kiln Schedules: The kiln schedule has been tested.
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
915
Stiffness (MOE) 12%MC (kgf/cm²)
67000
Compression parallel to fiber 12%MC (kgf/cm²)
357
Compression perpendicular to fiber 12%MC (kgf/cm²)
82
Shear strength radial 12%MC (kgf/cm²)
178
Workability
Sawing
Cutting resistance is generally low.
Machining
Machining of this species is reported to be easy.
Turning
30
Response To Hand Tools
This species is reported to be easy to work with hand tools.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, TURNING, PACKING, OTHER AND MUSICAL INSTRUMENTS, handicrafts, pencil, shoes
General Housing
- 10 - Silica in Timbers
Turning
- 30 - Embassy of Honduras in Japan
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Pencils
- 67 - Maderas latinoamericanas. VIII, Calophyllum brasilense, Couratari panamensis, Dendropanax arboreum y Bombacopsis sessilis
Shoes
- 70 - Proprietes physiques et mecaniques des bois tropicaux de l`union francaise
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