Uapaca Kirkana (Chilundu)


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Scientific Name
Uapaca kirkana

Trade Name
Chilundu

Family Name
Euphorbiaceae

Common Names
Chilundu, Kabofa, Lihobohdoo, Mahobohobo, Mpotopoto, Msuku, Muhaka, Muhobohobo, Mushuku, Musuku, Mutongoro, Muzhanje, Muzhanzhi, Umhobohobo, Wild loquat

Regions of Distribution
Africa

Countries of Distribution  [VIEW MAP]
Malawi, Mozambique, Tanzania, Zambia, Zimbabwe

Common Uses
Boat building (general), Boxes and crates, Carvings, Charcoal, Furniture, Heavy construction, Joinery (external): ground contact, Light construction, Poles, Shingles, Toys, Turnery, Vehicle parts, Veneer

Heartwood Color

Brown
Reddish brown
Red
Pale red to pink
Pale pink brown
Golden brown with a reddish cast

Sapwood Color

Color not distinct from heartwood

Grain

Even
Figure
Straight
Distinct (figure)
Variable (figure)

 

Straight
Variable figure
Distinct figure

Texture

Coarse
Medium

Natural Durability

Perishable
Non-durable
Non-resistant to termites
Moderately durable
Moderately resistant to termite (Isoptera) attack

Odor

Has an odor

Kiln Schedules

Dry at a slow speed

Drying Defects

Splitting
Checking
Collapse
Distortion

Ease of Drying

Thick Stock Requires Care
Moderately Difficult to Difficult
Rapidly

Tree Size

Tree height is 20-30 m
Tree height is 30-40 m
Tree height is 40-50 m

Certified Source

Certified Source

Blunting Effect

Moderate

Boring

Fairly difficult to very difficult

Carving

Fairly Difficult to Very Difficult

Cutting Resistance

Fairly Difficult to Very Difficult to saw
Cutting Resistance with dry wood is easy

Gluing

Fair to Good Results
Fairly Easy to Very Easy
Easy to glue

Mortising

Fairly Difficult to Very Difficult

Moulding

Fairly Difficult to Very Difficult

Movement in Service

Fair to Good Stability – Medium Movement

Nailing

Fair to Good Results
Fairly Easy to Very Easy
Holds nails well

Planing

Fairly Difficult to Very Difficult
Poor to Very Poor Results
Planes well, to a good finish
Easy to plane

Resistance to Impregnation

Permeable sapwood
Resistant heartwood
Resistant sapwood
Heartwood is resistant

Response to Hand Tools

Fairly Difficult to Difficult to Work
Easy to machine

Screwing

Fair to Good Results

Turning

Fairly Difficult to Very Difficult
Fair to Good Results

Steam Bending

Poor to Very Poor Results

Polishing

Very Good to Excellent Results
Satisfactory results
Good results

Staining

Fair to Good Results
Fairly Easy to Very Easy
Very Good to Excellent Results

Varnishing

Good results

Strength Properties

Density (dry weight) = 38-45 lbs/cu. ft.

Numerical Data

Item Green Dry English
Density 40 lbs/ft3
Weight 39 31 lbs/ft3
Item Green Dry Metric
Density 641 kg/m3

References
Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9

Pardy, A.A.,1951,Notes on Indigenous Trees and Shrubs of S. Rhodesia – Uapaca kirkiana,Ministry of Agriculture and Lands S. Rhodesia Bulletin,No.1582

Storrs, A.E.G.,1979,Know your Trees – Some of the Common Trees found in Zambia,Zambia Forestry Department, Ndola

White, F.,1962,Forest Flora of Northern Rhodesia,O.U.P. London