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Useful Tropical Plants

Lovoa trichilioides

Harms

Meliaceae

+ Synonyms

Lovoa brownii Sprague

Lovoa klaineana Pierre ex Sprague

Common Name: African Walnut

Lovoa trichilioides
Flowering branch
Photograph by: Scamperdale
Creative Commons License

General Information

African walnut is a large, evergreen tree with a dark, heavy crown; it can grow up to 45 metres tall. The bole, which is usually straight and cylindrical but can be sinuous, can be branchless for up to 25 metres and up to 120cm, occasionally 200cm in diameter[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
,
303
Title
World Agroforesty Centre
Publication
 
Author
 
Website
http://www.worldagroforestry.org/
Publisher
 
Year
0
ISBN
 
Description
An excellent online database of a huge range of trees giving very good information on each plant - its uses, ecology, identity, propagation, pests etc.
].
The tree is commonly harvested from the wild for local use as a medicine and source of wood. The wood is a valuable timber that is often traded. It is occasionally planted as a roadside tree[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].

Known Hazards

The sawdust may be irritant[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].

Botanical References


Range

Western tropical Africa - Sierra Leone to Zaire, south to Angola.

Habitat

A canopy and emergent tree, scattered in evergreen forest and semi-deciduous forest at elevations up to 1,200 metres[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
,
303
Title
World Agroforesty Centre
Publication
 
Author
 
Website
http://www.worldagroforestry.org/
Publisher
 
Year
0
ISBN
 
Description
An excellent online database of a huge range of trees giving very good information on each plant - its uses, ecology, identity, propagation, pests etc.
].

Properties

Medicinal Rating *  *
Other Uses Rating *  *  *
HabitEvergreen Tree
Height35.00 m
Cultivation StatusOrnamental, Wild

Cultivation Details

A plant of the moist tropics, where it is found at elevations up to 1,200 metres. It grows in areas where the mean annual rainfall is in the range 1,000 - 2,800mm and the mean annual temperature ranges from 20 - 29°c[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
,
303
Title
World Agroforesty Centre
Publication
 
Author
 
Website
http://www.worldagroforestry.org/
Publisher
 
Year
0
ISBN
 
Description
An excellent online database of a huge range of trees giving very good information on each plant - its uses, ecology, identity, propagation, pests etc.
].
Prefers a moist but free draining locality on alluvial soils[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]. Often found on acid soils in the wild[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]. Young trees grow best if they are given some shade, though older trees prefer sunnier conditions[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].
Early growth is generally slow, with planted seedlings reaching 100 cm height in 2 years and 150 cm in 3 years[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]. In exceptional cases trees can reach a height of 2.5 metres after 1 year[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].
After the first few years, growth becomes faster, and there are records of young trees attaining 9 metres in height after 7 years[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].
In plantations in Uganda an average bole diameter of 25cm was reached after 25 years, whereas in Nigeria and Cameroon a mean annual diameter increment of 10 - 18mm was recorded[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].
In experiments in Gabon, 11-year-old trees planted in light shadow were 20 metres tall and 16.5 cm in diameter, whereas growth of trees planted in full sun was slower[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]. In natural forest the mean annual diameter increment is about 5 mm[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].
Natural regeneration is often abundant, although the seed suffers heavy predation. Seedlings of about 20 cm tall may be abundant even in full shade, where they may survive for several years, but saplings only grow where gaps develop in the forest canopy[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].

Edible Uses

None known

Medicinal

The pulped bark is rubbed on the chest to treat pulmonary troubles[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]. The bark is also used against dental caries[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].

Agroforestry Uses:

It is promoted in Uganda for tree planting programmes; it is locally planted as a shade tree in agroforestry programmes, for crops such as coffee and banana[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].

Other Uses

The heartwood is yellowish brown to greyish brown, often with golden and blackish markings; it is distinctly demarcated from the 3 - 7cm wide band of pale brown to pale grey sapwood. The grain is usually interlocked; the texture moderately fine to fine. The wood is lustrous and has an attractive appearance, with a ribbon-like aspect on quarter-sawn surfaces and a cedar-like scent. It is light in weight; soft; somewhat durable, being resistant to dry wood borers, somewhat resistant to fungi and susceptible to termites. It seasons fairly quickly with only a slight risk of checking and distortion; once dry it is stable in service. The wood is easy to saw and work with ordinary tools; there is some tendency of picking up of grain when the wood is quarter-sawn, and planing may be difficult because of the presence of interlocked grain, resulting in tearing; it finishes well, but for a fine polish the use of a filler is recommended; nailing and screwing properties are good, although there may be some tendency to splitting; gluing, painting and varnishing properties are satisfactory; the steam bending properties are moderate. The wood is highly valued for high class furniture, cabinet work, flooring, carpentry, joinery, interior trim, stairways, panelling and decorative veneer and plywood[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]. It is locally used for house construction, vehicle bodies, implements and handles, and to make canoes[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]. It is suitable for ship building, sporting goods, toys, novelties, railway sleepers, carving, boxes, crates, turnery and pulpwood[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].
The wood is also used as firewood and for charcoal production[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].

Propagation

Seed - best sown as soon as it is ripe since it has a short viability[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]. Seeds start germinating after 8 - 16 days, with up to 90% germination rate for fresh seed, but only about 30% for 2 month old seed[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].
A successful method of propagation by stem cuttings has been developed in Cameroon. Long, thin cuttings with large leaf areas (50 - 200 cm²) made from apical nodes of multi-stemmed stock-plants rooted best, with a rooting rate of up to 60%[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]
Stem cuttings root best in coarse gravel[
299
Title
Protabase - Plant Resources of Tropical Africa.
Publication
 
Author
 
Website
http://www.prota.org
Publisher
 
Year
0
ISBN
 
Description
An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
].

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