BOA (Donella pruniformis)
Trade Name
Boa
Scientific Name
Donella pruniformis Aubrev. et Pellegr.
Family
SAPOTACEAE
Common Names
Boa (Côte d`Ivoire); Oyiop (Gabon); Ngadjé (Cameroon)
Scientific Name Synonyms
Donella parvifolia lecomte; Chrysophyllum pruniforme Pierre ex Engl.; Chrysophyllum mortehani De Wild.; Chrysophyllum buchholzii Engl.
Description Of The Tree
Botanical Description
The tree reaches a height of 30. The bole is reasonably straight, with low buttresses. The trunk diameter attains 80 cm.
Natural Habitat
Donella pruniformis is reported in semi-deciduous forests.
Natural Distribution
From Casamance to Gabon and Central Africa.
Wood Identification
Anatomic Description Of Wood
Vessels in dendritic pattern. Vessels in diagonal and/or radial pattern. Occasionally vessels exclusively solitary (over 90%). Vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 to 150 micras (small). Non-vestured pits. Vessels pe Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Prismatic crystals in short chains in chambered axial parenchyma cells. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays non-storied. Rays 1 to 4 seriate. Occasionally crystal sand in ray cells. Silica bodies in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. Non-septate fibers. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is yellowish white, it is not demarcated.
Grain
Straight or slightly interlocked, sometimes with an influence on further processing operations.
Texture
This wood has a somewhat fine texture.
Luster
The wood surface is low in luster.
Natural Durability
Slightly durable to decay. This species needs preservative treatment for uses with risks of occasional re-humidification. It is not suited for uses with risks of permanent or long-lasting humidification. Moderately resistant to termites attack. Heartwood
Natural durability index (1= Very high durability, 7=Vey low durability)
6
Resistance To Impregnation
Moderately easy to treat with a partial penetration of the preservative products.
Wood Physical Properties
Drying Defects
Ease of Drying: Both 25mm and 50mm board can be kiln-dried fairly rapidly (in 7 and 12 days respectively) from green state despite very high intial moisture content that may be over 200%. If preliminary air-seasoned to 30%, kiln drying will only reguire 1 1/2 day for 25m Drying Defects: wrapping and twisting may occur. occasional checking will close up tightly at the end of kiln-seasoning. If kiln dried from the green, a reconditioning treatment will probably be necessary, tentative 4-8 hours. Kiln Schedules: Preliminary air drying is suggested to offset tendering to collapse on kiln drying.
Recommended Dry Kiln Schedule
FR-7
Wood Chemical Properties
Wood Mechanical Properties
Workability
Sawing
It is moderately easy to saw.
Rotary Veneer Cutting
Suitable for slicing, also suitable for peeling if treated.
Sliced Veneer
Suitable for slicing, also suitable for peeling if treated.
Blunting Effect
Slight blunting effect; ordinary tools can be used for sawing and machining.
Machining
Machining of this species is reportedly easy.
Planing
Moderately easy; tools must be cautiously sharpened.
Moulding
Moderately easy; tools must be cautiously sharpened.
Turning
30
Boring
Moderately easy; tools must be cautiously sharpened.
Mortising
Moderately easy; tools must be cautiously sharpened.
Nailing
Pre-boring is necessary.
Gluing
Glues well if basic gluing technical rules are followed.
Sanding
Easy to perform; it gives good results.
Polishing
Can be polished without surface preparation.
Response To Hand Tools
No particular problems.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, steps, panelling, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, faces, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, OTHER AND MUSICAL INSTRUMENTS, handicrafts
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Flooring
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
Frames
- 16 - Woods of the World
Steps
- 17 - Tree Conservation Database
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Furniture, Luxury
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Cabinet
- 24 - Empire Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Faces
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Turning
- 30 - Embassy of Honduras in Japan
Ornaments
- 31 - Embassy of Colombia in Japan
Turned Articles
- 32 - Embassy of Cote d`Ivoire in Japan
Knife Handles
- 33 - Embassy of Gabon in Japan
Lasts
- 34 - Embassy of Indonesia in Japan
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Please Provide Information To View Producer Information