Select Language:  

MAFAMUTI (Newtonia buchananii)

Trade Name

Mafamuti

Scientific Name

Newtonia buchananii Gilbert et Boutique

Family

LEGUMINOSAE

Common Names

Lokundu (Zaire); Umukerekwa (Burundi); Mpewere (Uganda); East African Newtonia (Uganda); Mkufi (Tanzania); East African Newtonia (Tanzania); East African Newtonia (Kenya); East African Newtonia (Ethiopia); Mafamuti (Mozambique); Singa-singa; Pehere; Omukungu; Nkwerenyani; Newtonia; N`singa; Mwosi; Mutoyo; Mutole; Mukunga; Mukui; Mukoi; Mujerairo; Mujairaya; Mufomoti; Muchenche; Mshashita; Mseri; Mruga; Mpewere; Mpehere; Mofu; Mnyassa; Mkwerenyani; Mkufi; Makuruma; Mafamuti; Lupewere; Lokundu; Forest newtonia; Chikwani; Acacia

Scientific Name Synonyms

Piptadenia buchananii Bak. f.

Description Of The Tree

Botanical Description

The tree reaches a height of 40 m. The bole is cylindrical, straight and up to 20 m in length. Felling shakes can occur. Buttresses may be up to 4 m. The trunk diameter attains 100 cm over the short buttresses.

Natural Habitat

Newtonia buchananii is common in mountain forests up to 2,000 m, as well as in riverine and swamp forests.

Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 150 to 200 micras (medium). Vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits Paratracheal axial parenchyma scanty and/or vasicentric. 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 non-storied. Rays 1 to 2 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Occasionally septate fibers present. Fibers with simple to minutely bordered pits.

Availability

Cites Status

Unrestricted

General Wood Description

Color

The sapwood is grey-white, it has a thickness of 5 cm. The heartwood is brown, darkening on exposure to golden brown, it is clearly demarcated.

Grain

Straight or slightly interlocked, sometimes with an influence on further processing operations.

Texture

This species is usually reported to have a fine texture.

Luster

This wood is commonly of low luster.

Natural Durability

Not durable; important risks of decay attacks at any processing step, from logs up to final products. It must receive preservative treatment. Sensible to termites attack. The heartwood is sensible to Lyctus attacks.

Natural durability index (1= Very high durability, 7=Vey low durability)

5

Internal Growth Stresses

Residual stresses present in the wood may cause defects while processing the timber.

Resistance To Impregnation

Nearly impossible to treat with a too much low penetration of the preservative substances.

Wood Physical Properties

Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)

0.45

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

0.49

Total shrinkage Tangential (Saturated to 0%MC) (%)

6.0

Total shrinkage Radial (Saturated to 0%MC) (%)

3.5

Drying Defects

Ease of Drying: Drying is moderately difficult to difficult; special care is systematically needed. Drying Defects: Risks of checks and distortions. Kiln Schedules: Schedule proposed as a reference by comparison with well known species taking into account to the general technological behavior of this species.

Recommended Dry Kiln Schedule

FR-10

Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)

1.7

Wood Chemical Properties

Wood Mechanical Properties

Bending Strength (MOR),12%MC (kgf/cm²)

714

Stiffness (MOE) 12%MC (kgf/cm²)

96718

Compression parallel to fiber 12%MC (kgf/cm²)

406

Compression perpendicular to fiber 12%MC (kgf/cm²)

47

Shear strength radial 12%MC (kgf/cm²)

42

Janka hardness (side) 12%MC (kgf)

293

Janka hardness (end grain) 12%MC (kgf)

394

Workability

Sawing

Sawing of this species is easy to moderately easy.

Rotary Veneer Cutting

Suitable for peeling if treated.

Sliced Veneer

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

Easy; no particular problems.

Boring

Easy; no particular problems.

Mortising

Easy; no particular problems.

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, parquet, fittings, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, SPORTS, TOOLS, tool handles, agricultural tools, CONTAINERS, truck bodies, truck flooring, OTHER AND MUSICAL INSTRUMENTS, handicrafts, scale model

General Housing
  • 10 - Silica in Timbers
Parquet
  • 15 - Empire Timbers
Fittings
  • 19 - Silica in Timbers
Furniture Cabinets
  • 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Cabinet
  • 24 - Empire Timbers
Panels, Veneers
  • 25 - Directory of Timber Trade Malaysia
Sports
  • 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Tools
  • 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
  • 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Agricultural Tools
  • 44 - Atlas of Peruvian Woods
Truck Body
  • 53 - Timbers of the New World
Truck Flooring
  • 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Handcraft
  • 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Scale Models
  • 83 - Algunas caracteristicas fisicomecanicas de la madera de tres especies de la cordillera NeoVolcanica

Please Provide Information To View Producer Information

* Or, continue as guest