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Dabema (Piptadeniastrum africanum)
Overview
Piptadeniastrum africanum is a tall deciduous tree within the legume family, Fabaceae. It is native to the humid tropics of sub-Saharan Africa, ranging from Senegal to Sudan and Angola. It is the sole species in genus Piptadeniastrum. It is also called Piptadenia africana, and its timber is traded under the names Dabema or Dahoma. It commonly occurs in freshwater swamp forests but can also be found further north.
Piptadeniastrum africanum is a medium-sized to large tree capable of growing to 50 meters tall, with the record being 199 ft 1 in (60.68 m) and a maximum girth a breast height of 14 ft 9 in (4.50 m)] in Ghana. It has wide spreading branches. Its trunk is straight and cylindrical while the base of the tree has thin buttress roots that can reach a height of 5 meters or more and extends along the ground, its bark is grey to brown in color but reddish at the base. Leaves are alternate, bipinnately compound in arrangement with about 10 - 20 pairs of pinnae and about 30 - 58 leaflets per each pinnae. Leaflets, sessile and small, 0.3 x 1 cm long and 0.8 x 1.25 mm wide, glossy green above and paler beneath. Flower is yellowish to white colored and fruit is a brown woody pod.
| Species | Dabema (*Piptadeniastrum africanum) |
| Origin | Africa |
| Grade | AIC |
| Thickness | 18mm to 300mm |
| Width | 40mm to 300mm |
| Length | 4m to 8m |
| Drying | KD, AD |
| Prominent Uses |  |
Description & Distribution
Dabema wood, scientifically known as Piptadeniastrum africanum and belonging to the Mimosaceae family, is one of the rare and valuable hardwood species native to the West, Central, and East African regions. Combining high durability with aesthetically pleasing characteristics, Dabema wood has attracted the attention of furniture manufacturers and the construction industry worldwide.
Physical Characteristics
Crushing Strength: 57MPa (+/- 6)
Specific Gravity (at 12% MC): 0.7 g/cm3 (+/- 0.06)
Stability : Moderately stable
Static bending strength: 98MPa ( +/- 13)
Durability and resistance
Dry Wood Borers : Class D - Durable
Fungi: Class 3 - Moderately durable
Termites: Class D - Durable
Treatability: Class 3 - Poorly permeable
Typical Applications
● Heavy carpentry
● Vehicle or container flooring
● Industrial or heavy flooring
● Glued laminated
● Veneer for interior of plywood
● Wood frame house
● Exterior panelling
● Stairs (inside)
● Current furniture or furniture components
● Veneer for back or face of plywood
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