PETTHAN (Fernandoa adenophylla)
Trade Name
Petthan
Scientific Name
Fernandoa adenophylla (Wallich ex G. Don) v. Steenis
Family
BIGNONIACEAE
Common Names
sofdo ( an giang) (Vietnam); Ngojt nai (bihn tri thien) (Vietnam); Khae phong (Thailand); Khae khon (Thailand); Khae hang khang (Thailand); Khe hlaw (Laos)
Scientific Name Synonyms
Spathodea adenophylla (Wallich ex G. Don); Heterophragma adenophylum (Wallich ex G. Don) Seem; Haplophragma adenophyllum (Wall. ex G. Don) Dop; Bignonia adenophylla Wall. ex G. Don
Description Of The Tree
Botanical Description
It reaches up to 40 m tall, branchless for 20 m, with 70 cm in diameter. Buttresses are absent.
Natural Habitat
It is reported in evergreen, monsoon to mixed deciduous primary or sometime secondary rain forests, up to 850 m of altitude. Fernandoa prefers limestone or siliceous soils.
Natural Distribution
It is present in India (Assam), Myanmar, Indo-China, the Andaman and Cocos Islands, Thailand and Peninsular Malaysia.
Wood Identification
Anatomic Description Of Wood
Tyloses common. Vessels per mm2 less than 6 (rare). Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in non-chambered axial parenchyma cells. Axial parenchyma bands more than 3 cells wide. Larger rays more than 4 seriate. Sheath cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with distinctly bordered pits.
-
Wood Macro Photo Tangential Plane
-
Wood Micro Photo Of Transversal Section
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is orange-yellow with occasional darker streaks or brownish-white, the sapwood is pale yellow.
COLOR INDEX (1=Black, 7=Light yellow,white)
3
Texture
The texture is fine.
Luster
The surface of the wood is naturally moderate in luster.
Natural Durability
The wood is durable unless exposed to the weather or in contact with the ground. It is resistant to termites attack.
Natural durability index (1= Very high durability, 7=Vey low durability)
3
Resistance To Impregnation
The wood is resistant to preservative treatment.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.79
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.90
Wood Chemical Properties
Wood Mechanical Properties
Workability
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, FURNITURE AND CABINETS, cabinets, NAVAL CONSTRUCTION, boats, OTHER AND MUSICAL INSTRUMENTS, moldings
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Cabinet
- 24 - Empire Timbers
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Please Provide Information To View Producer Information