LNAMES <strong>AND</strong> FAMILYOfficial Common NameScientific NameLocal NameFamily NameBatinoAlstonia macrophylfll Wall.Busisi, pangolaksien (Cagayan); basikal,basikarang, batisalag, batikalang (Cagayan,TIocos Sur, Isabela, Pangasinan); manggamangga,maramangga (Cagayan, La Union);banakao, panglanutien, pangalunadsin (llocosNorte); dalakan, darakan (Ilocos Sur);kalatuche, pangalisokloen (Pangasinan);batino (Rizal, Laguna, Cavite, Batangas,Tayabas, Camarines, Mindoro); itang-itang(Tayabas; Guimaras); buyao-yao, kuyao-yao(Camarines Sur, Catanduanes, Capiz); ditadita(Albay); pugayan, tugayan (Mindoro);malabato (Marinduque); lasona (Samar);opon-opong . (Leyte); tangitang, ughayan(Capiz); dinog (Bohol), kurayan, rigayan,sulusihigan (Palawan); guala (Bukidnon);tulingan (Sibutu); saakias, tambaltungon(Sulu).Apocynaceae2. DISTRIBUTI<strong>ON</strong>Found in Cagayan, Isabela, Aurora, Palawan, Zamboanga del N orte, Zamboangadel Sur, Agusan del Norte, Agusan del Sur, Davao del Norte, Davao Oriental, andLanao del Sur Provinces.3. TREE CHARACTERISTICSAttains a diameter of 65 cm. Bole straight, regular, about 10 m. long.4. WOOD DESCRIPTI<strong>ON</strong>Sapwood not distinct from the heartwood, which is pale yellowish brown (warmbuff to cinnamon buff ofRidgway); grain crossed, often wavy; moderatejine texture;with distinct bitf.er taste, particularly when fresh; without odor. Growth rings absent;wood very hombgenous. Vessels almost all in groups, 2 to 14 in multiples; diffuse;come in contact with the rays generally on two sides; small, oblong; numerous;vessel elements distinct, variable in length; perforation ,Simple; perforation platesslightly inclined; empty. Fibers dense. Wood parenchyma diffuse, consisting ofsmall isolated dots between rays.36
5. TECHNOWGICAL<strong>PROPERTIES</strong>--Technological Properties Property Classification Descrlption/RemarksPhysical Properties* * Relative density Class 11 Moderately high relative ,density (0.64)* * Volumetric shrinkage Class V High volumetric shrinkage(14.5%)** Mechanical/StrengthProperties Class 11 Moderately high strength(Bending strength - 84.0MPa; Compressivestrength - 20.2 MPa; She¥"strength -10.6 MPa; Hardness- 5.7 KN; Toughness-43.1 Joule/Specimen)* * Sawing Class 11 Moderate to saw* * Drying Class III Difficult to dry* * Machining Class 11 Good* * Finishing Class 11 Good* * Natural Durability Class 11 Moderately durable* * Treatability Class I Easy to treat* * -Data obtained from previous studies on LUS of FPRDI.6. END-<strong>USES</strong>For beams, joists, rafters, flooring and household implements, for high gradefurniture and cabinet making, bobbins, floor parquet, louvre doors, balusters, frames,toys, coaster set, cups, bowls, candy tray, fruit tray, trophy, che"ss pieces, ,pencilholders, table tops and moulding.7. ILLUSTRATI<strong>ON</strong>Tangential Cut37