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Bagasse
Bagassa guiananensis Aubl.
MORACEAE
Tatajuba (Brazil); Garrote (Brazil); Bacuriúa (Brazil); Amarelinho (Brazil); Gele Bagasse; Garrote; Cow-Wood; Bagaceira (Brazil); Amarelão (Brazil); Amarelo (Brazil); Amapá Rana (Brazil); Bagasse Jaune; Tatajuba; Bagasse
The trees are unbuttressed, and are reported to reach heights of 20 to 25 m, even up to 35 m, with trunk diameters ranging from 60 to 90 cm. The boles are straight and cylindrical or slightly fluted at the base, up to 18 to 21 m long. It presents abundant
Bagassa species are reported to occur in terra firme primary or secondary forests in the Guyanas and the Brazilian Amazon.
The bark contains large quantities of a sweet, sticky latex.
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 200 micras or more (large). Tyloses common. Vessels per mm2 less than 6 (rare). Simple perforation plates. Occasionally intervessel pits large, 10 micras o Occasionally axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in non-chambered axial parenchyma cells. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Prismatic crystals in the ray cells. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Fibers with simple to minutely bordered pits.
Unrestricted
The sapwood is differentiated. The heartwood is yellow, darkening to dark maroon after exposure.
4
The grain is straight, interlocked or irregular.
The wood is medium to coarse in texture.
The surface of the wood is naturally high in luster.
It is very durable against decay. This species is resistant against termites and it is not attacked by Lyctus.
2
Heartwood resistance to impregnation is reported to be high, it may be very difficult to treat.
0.71
0.80
5.5
3.9
Ease of Drying: It is reported to dry very slowly, with wet zones remaining. Drying Defects: Severe honeycombing and collapse may occur when thick pieces, over 2.5 cm are dried. Kiln Schedules: Thorough air drying before kiln drying is advised. Slow drying is recommended.
1.4
1442
147144
834
139
128
753
1007
This wood can be sawn fairly well but power is required.
B. guiananensis is reported to be interesting for slicing.
B. guiananensis is reported to be interesting for slicing.
The material is reported to exert slight to moderate blunting effect on cutters.
Planing characteristics are reported to be good. Interlocked grain, if present, may pose some difficulties. A reduced cutting angle of 15 to 20 degrees is recommended.
The wood moulds well.
30
Boring characteristics are reported to be good.
Mortising properties are reported to be good.
Pre-boring is recommended , but nail-holding properties are reported to be good.
The wood is reported to glue without difficulty.
The timber is reported to respond readily to sanding to yield smooth, clean surfaces.
It gives a smooth finish.
The wood is reported to stain well and evenly.
The wood is reported to take varnish without undue difficulty. The wood is reported to take paint well.
The wood is reported to take a good polish.
Response to hand tools is rated as good, but fair if interlocked grain is present.
Black locust.
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