Erythrophleum suaveolens (Tali)


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Scientific Name
Erythrophleum suaveolens

Trade Name
Tali

Family Name
Leguminosae

Synonyms
Fillaea suaveolen

Common Names
A-kon, Aba, Abawa, Adjuga, Akpa, Akpa etuidiwi, Akwir, Alui, Arue, Atiemia, Atiuhia, Atsa, Baier, Baska, Bentabe, Betiche, Betomo, Bolondo, Boutite, Buirame, Buirane, Bungoro, Burene, Digpende, Earamor, Elegue-muani, Ellong, Elon, Elondo, Elone, Eloun, Elui, Elun, Erue, Erui, Erui-alui, Erun, Erun obo, Etsa, Gbangba-gbende, Gogbei, Gogwi, Gue, Guhie, Guilutu, Gwaska, Idip, Ifwon, Inyi, Inyin, Ipomi, Jallin baro, Jru, Ka-kontha, Kassa, Kbande, Keke-au, Kekeu, Koe-kon, Kokudabo, Kulenten, Kwon, Macone, Mancone, Manconi, Mbaraka, Mbele, Meli, Missanda, Mkarati, Mkelekele, Mkola, Muave, Mumara, Mwavi, N’kassa, Ndom, Ngogbei, Nkassa, Nko, Odiodi, Oginni, Oginyi, Orachi, Ordeal tree, Orhue, Ovinyin, Peli, Potrodom, Red water tree, Sachi, Sahi, Sangay, Sasswood, Sassy bark, Tali, Tali y roble africano, Talo, Tehi, Telehi, Teli, Tsa

Regions of Distribution
Africa

Countries of Distribution  [VIEW MAP]
Cameroon, Congo, Equatorial Guinea, Gabon, Gambia, Ghana, Guinea Bissau, Ivory Coast, Kenya, Mozambique, Nigeria, Senegal, Sierra Leone, Tanzania, Uganda, Zaire, Zambia

Common Uses
Agricultural implements, Boat building (general), Bridge beams, Bridge construction, Bridge joists, Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Charcoal, Construction, Cooperages, Decks, Docks, Dockwork, Domestic flooring, Exterior trim & siding, Exterior uses, Factory construction, Flooring, Flooring: commercial heavy traffic, Flooring: industrial heavy traffic, Furniture, Harbor work, Heavy construction, Joinery (external): ground contact, Joinery, Light construction, Marine construction, Millwork, Mine timbers, Parquet flooring, Piling, Poles, Posts, Railroad ties, Shakes, Sheathing, Shingles, Siding, Sporting Goods, Sub-flooring, Turnery, Vats, Vehicle parts, Wharf construction, Wheels

Environmental Profile

Status has not been officially assessed

Distribution Overview
Found in gallery forests in the northern and central parts of Mozambique.

Heartwood Color

Brown
Green/grey
Yellow
Red
Orange
Black
White
Pink
Reddish brown
Brown
Yellow to golden-yellow to orange
Greenish to greyish
Dark brown
Yellowish brown
Red
Pale red to pink
Darkens significantly upon exposure
Dark brown

Species from East Africa are lighter in color

Sapwood Color

White
Yellow
White to yellow
Well defined
Pinkish
Paler than heartwood
Clearly differentiated from the heartwood

Grain

Interlocked
Figure
Distinct (figure)

 

Interlocked
Distinct figure

Typically highly interlocked, but is occasionally slightly interlocked.

Texture

Fine
Medium
Coarse
Medium
Fine

Luster

Medium
Low
Lustrous

Natural Durability

Durable
Resistant to marine borers
Very durable
Resistant to termites
Moderately durable
Susceptible to insect attack
Resistant to powder post beetles
Resistant to attack from termites (Isoptera)
Very durable
Resistant to attack from marine borers
Resistant to attack from powder post (Lyctid & Bostrychid) beetles
Durable
Resistant to marine borer attack
Moderately resistant to marine borer attack

Odor

No specific smell or taste

Silica Content

High
Siliceous

Light-Induced Color Change

Darker

Toxicity

Unspecified toxicity
Respiratory effects
Sawdust can cause nose irritation in some individuals
Poisonous
Dermatitic effects

Seed and bark of the tree are poisonous if ingested.

Kiln Schedules

Dry at a slow speed

Drying Defects

Checking
Distortion
Splitting
Slight twist/warp
Slight end splitting
Moderate end spitting
Warping can be expected
Slight surface checking
No surface checking
No end splitting should be expected
Checking

Ease of Drying

Moderately Difficult to Difficult
Fairly Easy
Rapidly
Slowly
Dries slowly

Kiln Drying Rate

Naturally dries at a moderate speed
Naturally dries slowly
Naturally dries quickly

Tree Identification

Bole/stem form is buttressed
Bole/stem form is not buttressed
Bole/stem form is misshapen
Bole/stem form is cylindrical

Tree Size

Tree height is 30-40 m
Sapwood width is 5-10 cm
Sapwood width is 0-5 cm
Sapwood width is 10-15 cm
Bole length is 10-20 m
Bole length is 20-30 m
Tree height is 20-30 m
Bark width is 5-10 mm
Tree height is 40-50 m
Trunk diameter is 100-150 cm
Trunk diameter is 150-200 cm

Product Sources
The ITTO reports that the species is an occasional source for timber production, and has a rather low export potential.

Comments
General finishing qualities are rated as good

Known as Sasswood in Nigeria, the bark of this tree is reported to yield a poisonous extract that was used locally in trials by ordeal.

Blunting Effect

High to severe
Blunting effect on machining is severe
Blunting effect on machining is fairly severe
Slight effect
Blunting effect on sawing dry wood is severe
Blunting effect on machining is moderate

Boring

Difficult

Cutting Resistance

Fairly Difficult to Very Difficult to saw
Cutting Resistance with dry wood is difficult
Cutting Resistance with dry wood is easy
Specially-tipped cutters recommended
Cutting resistance with dry wood is variable

Gluing

Fairly Difficult to Very Difficult
Easy to glue
May require surface treatment for best results
Difficult to glue

Movement in Service

Small

Nailing

Difficult to nail
Pre-boring required
Possible if prebored
Holds nails well

Planing

Difficult to plane
Planes well, to a good finish

Resistance to Impregnation

Resistant heartwood
Resistant sapwood
Heartwood is highly resistant
Heartwood is resistant

Response to Hand Tools

Fairly Difficult to Difficult to Work
Easy to Work
Difficult to machine
Poor response to hand tools

Sanding

Good sanding finish
Easy to sand

Turning

Good results
Easy to turn
Difficult to turn

Polishing

Satisfactory results
Good results

Strength Properties

Bending strength (MOR) = high
Max. crushing strength = high
Hardness (side grain) = medium
Shrinkage, Volumetric = fairly large
Modulus of Elasticity (stiffness) = high
Max. crushing strength = very high
Density (dry weight) = 53-60 lbs/cu. ft
Shearing strength (parallel to grain) = medium
Density (dry weight) = 61-67 lbs/cu.ft
Shrinkage, Volumetric = moderate
Shrinkage, Tangential = moderate
Shrinkage, Radial = small
Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Hardness (side grain) = very hard
Bending strength (MOR) = very high
Shrinkage, Volumetric = large
Shrinkage, Tangential = small
Shrinkage, Tangential = fairly large
Modulus of Elasticity (stiffness) = medium
Modulus of Elasticity (stiffness) = low
Bending strength (MOR) = medium
Shrinkage, Tangential = large
Shrinkage, Radial = moderate
Shrinkage, Radial = large
Shrinkage, Radial = fairly large
Shearing strength (parallel to grain) = low
Hardness (side grain) = hard
Shearing strength (parallel to grain) = high
High in density
Density (dry weight) = 67-75 lbs/cu. ft
Density (dry weight) = 46-52 lbs/cu. ft.
Compression strength (parallel to grain) = high

Numerical Data

Item Green Dry English
Bending Strength 14402 23883 psi
Density 60 lbs/ft3
Hardness 2087 lbs
Maximum Crushing Strength 8191 11494 psi
Shearing Strength 2132 psi
Stiffness 1865 2234 1000 psi
Weight 62 55 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 7 %
Volumetric Shrinkage 12 %
Item Green Dry Metric
Bending Strength 1012 1679 kg/cm2
Density 961 kg/m3
Hardness 946 kg
Maximum Crushing Strength 575 808 kg/cm2
Shearing Strength 149 kg/cm2
Stiffness 131 157 1000 kg/cm2
Weight 993 881 kg/m3
Radial Shrinkage 4 %
Tangential Shrinkage 7 %

References
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