TRADE NAME

ANDOUNG

 

SCIENTIFIC NAME

  • Monopetalanthus coriaceus Morel.
  • M. durandii F. Halle & Normand
  • M. letestui Pellegr.
  • M. heitzii
  • M. hedinii Pellegr.

 

FAMILY

Caesalpiniaceae

 

 

REGIONAL DISTRIBUTION

Central Africa.

Cameroon : EKOP-MAYO ; ZOELE
Equat. Guinea : ANDJUNG ; EKOP
Gabon : ANDOUNG ; N’DOUMA
France : N’DOUMA

Pr. = OCC. Ex. = Low, OCC.

 

 

SAPWOOD

Not clearly demarcated

 

HEARTWOOD

  • Colour : Light brown to pinkinsh brown ; darkens slightly on exposure
  • Grain : Highly/frequently interlocked
  • Texture : Fine to medium
  • Silver figure : Barely visible.

 

TECHNOLOGICAL PROPERTIES

  • Green weight (kg/m3) = 850 – 950
  • Specific gravity at 12% M.C. (kg/m3) MV 12 = (medium) 580
  • Volumetric swelling for 1% MC variation V% = (medium) 0.48
  • Total tangential swelling T% = 7.9
  • Total radial swelling R% = 4.1
  • Crushing strength (N/mm2) C12 = 47
  • Static bending strength (N/mm2) F12 = 126
  • Modulus of elasticity (N/mm2) E12 = 11300

 

 

END USE

  • Plywood
  • Interior joinery
  • Boxes and crates
  • Furniture components

 

 

REMARKS

  • Natural durability : Moderate
  • Lyctus susceptibility : Yes
  • Preservative treatment : Resistant
  • Other remarks : Frequently confused with Brachystegia sp. p. (NAGA) and Tetraberlinia sp. p. (EKABA)