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Useful Tropical Plants

Okoubaka aubrevillei

Pellegr. & Normand

Santalaceae

+ Synonyms

Octoknema okoubaka Aubrév. & Pellegr.

Common Name:

Okoubaka aubrevillei
The bark, harvested for medicinal use
Photograph by: H. Zell
GNU Free Documentation License

General Information

Okoubaka aubrevillei is a deciduous tree with a bushy crown of horizontal to drooping branches; it can grow up to 30 metres tall. The straight, cylindrical bole can be 80cm 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.
,
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 bark is a very popular traditional medicine in west Africa and is also used in Western medicine. It is commonly harvested from the wild. It is widely sold for medicinal use in local markets throughout coastal countries of West Africa, and is also traded internationally[
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 bark is used as a fish poison[
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

West tropical Africa - Sierra Leone to Cameroon and DR Congo.

Habitat

Forests on rocky hills, usually solitary but occasionally in pure stands in Ghana and Cote D'Ivoire[
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

Medicinal Rating *  *  *  *
Other Uses Rating *  *
HabitDeciduous Tree
Height23.00 m
Cultivation StatusWild

Cultivation Details



Natural regeneration is poor, because the fruits and seeds are eaten by porcupines[
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 southern Nigeria, Okoubaka aubrevillei is an important tree in religious ceremonies[
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 considered to be a mystery plant in Cote D'Ivoire, and nobody would fell it. It belongs to a family of plants that includes many parasitic and hemiparasitic species and is said to kill trees around its growth place, though it has not been proven to be parasitic[
328
Title
African Flowering Plants Database
Publication
 
Author
 
Website
http://www.ville-ge.ch/musinfo/bd/cjb/africa/recherche.php
Publisher
Conservatoire et Jardin Botaniques.
Year
0
ISBN
 
Description
Contains information on over 150,000 plant names (including synonyms) giving a description and habitat, plus a distribution map.
].
Okoubaka aubrevillei is a hemi-parasitic plant. Within 6 months after germination, when nutrient reserves in the seed become depleted, the roots attach themselves to those of nearby plants by means of haustoria. However, one year after germination no differences were found in growth and foliar nutrient concentrations between plants growing with and those without hosts. The hosts, however, showed increased mortality or reduced growth. Hence, the apparent
benefit which this species gains from the parasitic association is killing potential competitors for water, light and nutrients. The only tree species surviving close to it are Myrianthus arboreus and Musanga cecropioides[
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 bark is widely used as a medicine in west Africa and is also exported to Europe and other countries. It is particularly employed in the treatment of skin disorders and poisoning.
Six different catechins have been isolated from the bark, including (+)-catechin and (+)-gallocatechin, as well asβ-sitosterol and stigmasterol[
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 has antimicrobial and immunostimulating properties that are attributed to phenolic compounds[
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 macerate of the bark is used in the treatment of tachycardia[
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 used in phytotherapeutic medicine in the Western world. Its main applications are for stomach upsets caused by poisoning and to boost the system in cases of tiredness, depression and allergies[
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.
].
Skin problems, including those caused by syphilis and leprosy, are treated by washing with, or bathing in a macerate or infusion of the bark in water[
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.
]. External application of bark preparations is also practised to counteract poisoning[
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 bark macerate is taken as a vapour bath or as nose drops to cure oedema[
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 a compress it is used to disperse haematomas[
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 wooden tool is traditionally used for the removal of the bark, and under no circumstances is a metal implement used[
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 wood is sometimes used for construction or as firewood[
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 - germination rates of 60 - 100% have been 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.
].
Attempts have been made to cultivate this species. After germination, the seedlings were transplanted in rows 4 metres apart, at a distance of 2 metres within the rows. Between the rows, Millettia laurentii was planted to act as a host. After about 10 years, 54% of the plants had survived and had reached an average height of 4.2 metres, with a maximum height of 8.6 metres. The host plant, Millettia laurentii, grew well for the first 6 years, but then started dying[
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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