TURMO (Aptandra tubicina)
Trade Name
Turmo
Scientific Name
Aptandra tubicina (Poepp.) Benth. ex Miers
Family
OLACACEAE
Common Names
Trompohuayo (Peru); Pamashto (Peru); Turmo (Colombia)
Scientific Name Synonyms
Heisteria tubicina Poepp.; Chaunochiton tubicinum (Poepp.) Lemée; Chaunochiton mouririoides A.C. Sm.; Aptandra spruceana Miers
Description Of The Tree
Botanical Description
This tree is reported to be of small size, attaining heights of 20 m and a diameter of 35 cm. The boles are clear up to two thirds of the total height.
Natural Habitat
This species is reported to occur in the Amazon basin, in primary and secondary forests.
Natural Distribution
It is found in the north of Colombia, Brazil, Bolivia and Peru.
Wood Identification
Anatomic Description Of Wood
Vessels in diagonal and/or radial pattern. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 micras or less (very small). Vessels per mm2 6 to 10 (medium). Occasionally vascular/vasicentric tracheides present. Simpl Occasionally axial parenchyma in marginal or in seemingly marginal bands. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Prismatic crystals in non-chambered axial parenchyma cells. Prismatic crystals in chambered axial parenchyma cells an 4 to 10 rays per mm (medium). Rays commonly 2 seriate. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Unpleasant smell
Color
Gradual change from sapwood to heartwood. The sapwood is pale yellow, the heartwood is yellow.
Grain
Straight grain is reported in this species.
Texture
The wood is typically fine in texture.
Luster
The surface of the wood is naturally moderate in luster.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
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
Wood Chemical Properties
Wood Mechanical Properties
Workability
Machining
The response of this species to machining operations is good to fair.
Turning
30
Finishing
The response of this species in finishing is good to fair.
REFERENCED USES
End Uses Summary
TURNING, TOOLS, OTHER AND MUSICAL INSTRUMENTS, handicrafts
Turning
- 30 - Embassy of Honduras in Japan
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Please Provide Information To View Producer Information