Guayabillo
Scientific Name: Terminalia oblonga
Other Common and Commercial Names: Sura, guayabón (Costa Rica), guayabillo, yuyún (Ecuador)
Appearance: The freshly cut trunk presents the outer layers of wood (sapwood) cream and the inner layers (heartwood) pale brown, observing a slight gradual contrast of color between the two layers. In the air-dried wood, the sapwood turns pale yellow and the heartwood is yellowish brown.
Characteristics: Straight and regular grain. Medium high brightness. Distinctive and pleasant smell. The Guyabillo is a heavy wood, that presents / displays low linear contractions and the volumetric contraction is moderately stable. For mechanical resistance it is classified as median.
Weight: specific weight between 0.65 and 0.7.
Janka Rating: 1,809
Working properties: Due to its roughness, cross-linked grain and high silica content, it is advisable to use stellite saws for sawing. It presents good behavior to the artificial drying with a soft program for thicknesses of two inches. It has good natural durability and is resistant to fungal attack, although sawn wood can develop the defect called "fish eye". It does not require preservation.
Uses: Wood is used locally for general construction as beams, columns, floors, sleepers, parquet, tongue and groove, decorative plates and sporting goods.