Clicking any heading in the main data area (at right) will scroll the page back to this top position. Use the following links to jump to the associated section in the main data. Comments Common Names Common Uses Countries of Distribution Distribution Overview Ease of Drying Environmental Profile Grain Heartwood Color Natural Durability Numerical Data References Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Texture Trade Name Tree Size		Scientific Name Harpullia arborea Trade Name Uas Family Name Common Names Uas Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Philippines Common Uses Carvings, Specialty items Environmental Profile Status has not been officially assessed Distribution Overview Indigenous to the Philippines (Ipil ; Sitio Ledong , Brgy.  Ambulong , Ambulong Island , San Jose ,Occidental Mindoro), commonly found in thickets and secondary forests. Heartwood Color Brown Green/grey White Red Pink Buff Sapwood Color White Brown Red Yellow Grain Closed Generally slightly wavy Texture Coarse Medium Fine Fine to medium Natural Durability Perishable Non-durable Susceptible to insect attack Non-resistant to powder post beetles Resistant to powder post beetles Ease of Drying Fairly Easy Tree Size Tree height is 10-20 m Trunk diameter is 100-150 cm Comments An exception is Tulipwood or Tulip lancewood (H. pendula ), which occurs in Australia, and which produce trees that are often knotty and irregularly shaped. The tree also produces timber that is very hard, heavy, and tough which make it highly suitable for such purposes as walking sticks, rulers, pen-handles, batons, billiard-cue butts, whip handles, paper knives and napkin rings. Very little commercial value but note exceptions Resistance to Impregnation Permeable heartwood Permeable sapwood Response to Hand Tools Easy to Work Numerical Data Item Green Dry English Bending Strength 9408 13939 psi Crushing Strength 879 1422 psi Hardness 1294 lbs Maximum Crushing Strength 3805 6565 psi Shearing Strength 1909 psi Static Bending 5116 8112 psi Stiffness 1277 1505 1000 psi Toughness 227 inch-lbs Specific Gravity 0.56 0.57 Item Green Dry Metric Bending Strength 661 980 kg/cm2 Crushing Strength 61 99 kg/cm2 Hardness 586 kg Maximum Crushing Strength 267 461 kg/cm2 Shearing Strength 134 kg/cm2 Static Bending 359 570 kg/cm2 Stiffness 89 105 1000 kg/cm2 Toughness 261 cm-kg References Desch, H. E. 1954. Manual of Malayan Timbers - Volume II. Malayan Forest Records, No. 15. Malaya Publishing House Ltd., Singapore. Lauricio, F. M., Bellosillo, S. B., The Mechanical and Related Properties of Philippine Woods, The Philippine Lumber Journal, 12(5): A-H.