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 Cutting Resistance Drying Defects Ease of Drying Family Name Grain Heartwood Color Kiln Drying Rate Luster Natural Durability Numerical Data Polishing Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Strength Properties Texture Trade Name Tree Size Turning		Scientific Name Hevea guyanensis Trade Name Hevea Family Name Euphorbiaceae Common Names Hevea, Seringa, Seringa amarela, Seringa de terra firme, Seringa itauba, Seringa mangue, Seringa mauba, Seringa vermelha, Seringa-rana, Seringueira, Seringueira vermelha, Siringa Regions of Distribution Latin America Countries of Distribution  [VIEW MAP] Brazil Common Uses Boxes and crates Heartwood Color Yellow Green/grey Orange White to cream Sapwood Color Yellow Grain Birds-eye (figure) Interlocked Texture Medium Medium Luster Medium Natural Durability Perishable Non-durable Moderately durable Susceptible to attack from termites (Isoptera) Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Perishable Drying Defects Distortion Ease of Drying Fairly Easy Kiln Drying Rate Rapid Drying rate is fairly rapid to fast Tree Size Tree height is 20-30 m Bole length is 10-20 m Tree height is 10-20 m Bark width is 5-10 mm Comments General finishing qualities are rated as good Cutting Resistance Easy to saw Resistance to Impregnation Resistant heartwood Resistant sapwood Response to Hand Tools Easy to Work Easy to machine Turning Poor to Very Poor Results Very Good to Excellent Results Fair to Good Results Polishing Fair to Good Results Strength Properties Density (dry weight) = 31-37 lbs/cu. ft. Density (dry weight) = 23-30 lbs/cu. ft. Numerical Data Item Green Dry English Density 28 lbs/ft3 Straight Figure Closed Even Interlocked Wavy Other (figure) Rays (figure) Rippled (figure) Loureiro, A.A., Freitas da Silva, M.,1968,Catalogo das Madeiras da Amazonia (2 vols,Min. do Ultramar Belem Brasil