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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. Common Names Common Uses Countries of Distribution Drying Defects Family Name Grain Heartwood Color Luster Natural Durability Numerical Data References Regions of Distribution Sapwood Color Scientific Name Strength Properties Texture Trade Name Tree Identification Tree Size Scientific Name Gironniera nervosa Trade Name Medang Family Name Ulmaceae Common Names Medang, Medang kasap, Medang telur, Meparang kasap, Selimpoh bukit, Sidok Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Brunei, Malaysia, Papua New Guinea, Thailand Common Uses Heavy construction, Light construction Heartwood Color Red Brown Yellow Pink Orange Yellow to golden-yellow to orange White to cream Sapwood Color White Pink Yellow Grain Even Straight Figure Weak (figure) Weak figure Straight Texture Medium Fine Coarse Fine Luster Low Natural Durability Very durable Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Sapwood is susceptible to wood staining fungal attack Drying Defects Severe end splitting Tree Identification Bole/stem form is not buttressed Bole/stem form is buttressed Tree Size Sapwood width is 10-15 cm Strength Properties Density (dry weight) = 38-45 lbs/cu. ft. Density (dry weight) = 31-37 lbs/cu. ft. Numerical Data Item Green Dry English Density 36 lbs/ft3 Weight 35 28 lbs/ft3 Item Green Dry Metric Density 576 kg/m3 References Browne, F.G.,1955,Forest Trees of Sarawak and Brunei and their Products.,Government Printing Office, Kuching, Sarawak Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15 Whitmore, T.C.,1973,Tree Flora of Malaya A Manual for Foresters Volume 2,Forest Department Ministry of Primary Industries Malaysia