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Useful Tropical Plants

Voacanga thouarsii

Roem. & Schult.

Apocynaceae

+ Synonyms

Annularia natalensis Hochst.

Cyclostigma natalense (Hochst.) Hochst.

Orchipeda dregei (E.Mey.) DC.

Orchipeda thouarsii (Roem. & Schult.) Baron

Piptolaena dregei (E.Mey.) A.DC.

Voacanga dregei E.Mey.

Voacanga obtuse K.Schum.

Common Name:

Voacanga thouarsii
Flowering branches
Photograph by: James Zarucchi
Creative Commons License
Voacanga thouarsii Voacanga thouarsii Voacanga thouarsii Voacanga thouarsii Voacanga thouarsii

General Information

Voacanga thouarsii is a tree growing up to 13 metres tall. The bole, which has branches from low-down, can be around 30cm in diameter[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. It is sometimes stilt-rooted when growing in swampy ground[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].
The tree is harvested from the wild, providing medicines and various commodities to the local population. The plant contains several medically active compounds, various parts of the plant being exported to pharmaceutical companies in Europe and elsewhere. The tree is also used in soil conservation programmes.

Known Hazards

None known

Botanical References


Range

Tropical Africa - Sierra Leone to southern Sudan and Kenya, south to Angola, Zambia, Zimbabwe, Mozambique and Madagascar.

Habitat

Often in swampy ground; growing in valley bottoms; ravines and stream-banks of the wooded savannah[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. Mostly in semi-deciduous forest and savannah, often in moist localities, sea-level to 600 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.
]. It easily colonizes disturbed habitats[
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.
]

Properties

Edibility Rating *
Medicinal Rating *  *  *
Other Uses Rating *  *  *
HabitTree
Height10.00 m
Cultivation StatusCultivated, Wild

Cultivation Details



Trees can be coppiced or pollarded[
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

The wood is burnt to produce a vegetable salt[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

Medicinal

The latex is vesicant on the skin and dangerous to the eyes[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. It is used as a remedy for toothache; is applied to wounds, boils and sores; used to treat gonorrhoea, eczema, fungal infections and scabies.[
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.
,
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

Decoctions or infusions of the stem bark, leaves and roots are applied to wounds, boils and sores, and are used to treat gonorrhoea, eczema, fungal infections and scabies[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. The infusions are also taken to treat heart problems, hypertension and rheumatic afflictions[
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 roots and bark contain the alkaloids voacamine, vobtusine and voacangine which are hypotensive, cardiotonic and sympatholytic[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].
Tabersonine, an alkaloid extracted from the seed, can be converted into vincamine, a compound widely used in Europe as a depressant of the central nervous system and for the treatment of cerebral vascular disorders in geriatric patients[
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 seeds are also exported to be used in medicines to treat heart diseases, to lower blood pressure and to treat cancer[
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:

The plant is grown along watercourses for soil and water conservation[
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 tree easily colonizes disturbed habitats and so could be suitable for use as a pioneer species[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Other Uses

The bark is said to furnish a fibre which can be used for making hunting nets[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

A latex is obtained from the tree[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
]. That from the branches is recorded as being white, whilst that obtained from the trunk is clear. The latex produces an inferior rubber, it has been used to adulterate rubber from the Hevea tree and is usable when mixed with others as a glue for fastening handles to knife-blades and to repair baskets[
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.
,
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

The ripe seeds are scattered on the ground of rice-farms in Liberia when the grain is ripening to scare off wild pigs which depredate the rice crop[
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].

The reddish-brown wood is fine-grained, tough, difficult to saw, planing unsmoothly, the grain pulling out, and turning indifferently. The wood is of little value., though it is used as poles for hut-posts, tool handles and sheaths for knives[
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.
,
332
Title
The Useful Plants of West Tropical Africa.
Publication
 
Author
Burkil. H. M.
Publisher
Royal Botanic Gardens; Kew.
Year
1985 - 2004
ISBN
 
Description
Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
].
The wood is also used as firewood and for making charcoal[
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 - pre-soaking for 12 hours in warm water can improve germination results[
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 seed is quite easy to germinate - it can be sown in light shade in nursery seedbeds or individual containers.
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-08-19. <tropical.theferns.info/viewtropical.php?id=Voacanga+thouarsii>

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