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UTUCURO (Septotheca tessmannii)
Trade Name
Utucuro
Scientific Name
Septotheca tessmannii Ulbr.
Family
BOMBACACEAE
Common Names
Sapote Rana (Peru); Utucuro (Peru)
Description Of The Tree
Botanical Description
It is a large tree, it attains heights from 30 to 40 m, with a diameter at breast height between 80 to 100 cm. It presents buttresses up to 3 m tall.
Natural Habitat
Septotheca tessmannii is found along rivers and streams in the varzea tropical rain forests of Peru.
Natural Distribution
In Peru it grows in the basins of the Ucayali and Pachitea rivers, where it is reported to be abundant.
Wood Identification
Anatomic Description Of Wood
Vessels per mm2 less than 6 (rare). Intervessel pits small, 7 micras or less. Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Prismatic crystals in non-chambered axial parenchyma cells. Prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
It has no discernible odor or taste.
Color
The sapwood is slightly differentiated, the heartwood is pink.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
Straight grain is reported in this species.
Texture
The texture is typically medium to coarse.
Luster
This wood is commonly of low luster.
Natural durability index (1= Very high durability, 7=Vey low durability)
4
Internal Growth Stresses
No growth stresses are reported in this species.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.55
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.60
Drying Defects
Ease of Drying: Air seasoning is reported to be moderate. Drying Defects: Risk of crooking and twisting is reported.
Wood Chemical Properties
Wood Mechanical Properties
Workability
Sawing
Sawing of this species is reported to be rather easy.
Blunting Effect
Wood of this species exerts a moderate blunting effect on the cutting tools.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, FURNITURE AND CABINETS, PACKING, pallets
General Housing
- 10 - Silica in Timbers
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Pallets
- 48 - The strength properties of timbers
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