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 Brasi