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Useful Tropical Plants

Vachellia oerfota

(Forssk.) Kyal. & Boatwr.

Fabaceae


Classification of the genus Acacia (in the wider sense) has been subject to considerable debate. It is generally agreed that there are valid reasons for breaking it up into several distinct genera, but there has been disagreement over the way this should be done. As of 2017, it is widely (but not completely) accepted that the section that includes the majority of the Australian species should retain the name Acacia, whilst other sections of the genus should be transferred to other genera. This species is transferred to Vachellia[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

+ Synonyms

Acacia gorinii Chiov.

Acacia nubica Benth.

Acacia oerfota (Forssk.) Schweinf.

Acacia pterygocarpa Benth.

Mimosa oerfota Forssk.

Common Name:

No Image.

General Information

Vachellia oerfota is a shrub growing up to 5 metres tall. The plant has short, thick thorns about 2cm long and often pointing backwards[
396
Title
Useful Trees and Shrubs in Eritrea
Publication
 
Author
Bein. E.; Habte. B.; Jaber. A.; Birnie. A. & Tengnas. B.
Publisher
Regional Soil Conservation Unit: Nairobi
Year
1996
ISBN
9966-896-24-4
Description
A very well written and concise guide to almost 200 species. It gives a brief description of each plant together with its habitat, uses, propagation and cultivation. Line drawings of each plant are also included It can be downloaded from the internet
].
The bark is harvested from wild trees as a source of tannins[
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.
], whilst the plant is also a source of fuel and has local medicinal applications..

Known Hazards

Especially in times of drought, many Acacia species can concentrate high levels of the toxin Hydrogen cyanide in their foliage, making them dangerous for herbivores to eat.

Botanical References


Range

Eastern tropical Africa from Tanzania north to Egypt, through Arabia to Iran.

Habitat

Deciduous bushland and semi-desert scrub at elevations from sea level to 1,600 metres in Eritrea[
396
Title
Useful Trees and Shrubs in Eritrea
Publication
 
Author
Bein. E.; Habte. B.; Jaber. A.; Birnie. A. & Tengnas. B.
Publisher
Regional Soil Conservation Unit: Nairobi
Year
1996
ISBN
9966-896-24-4
Description
A very well written and concise guide to almost 200 species. It gives a brief description of each plant together with its habitat, uses, propagation and cultivation. Line drawings of each plant are also included It can be downloaded from the internet
]

Properties

Medicinal Rating *  *
Other Uses Rating *  *
HabitShrub
Height5.00 m
Cultivation StatusWild

Cultivation Details


Prefers a well-drained, circumneutral to slightly acid soil and a position in full sun[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Plants respond well to coppicing and pollarding[
396
Title
Useful Trees and Shrubs in Eritrea
Publication
 
Author
Bein. E.; Habte. B.; Jaber. A.; Birnie. A. & Tengnas. B.
Publisher
Regional Soil Conservation Unit: Nairobi
Year
1996
ISBN
9966-896-24-4
Description
A very well written and concise guide to almost 200 species. It gives a brief description of each plant together with its habitat, uses, propagation and cultivation. Line drawings of each plant are also included It can be downloaded from the internet
].
This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].

Edible Uses

None known

Medicinal

A bark extract is used to treat rheumatism[
396
Title
Useful Trees and Shrubs in Eritrea
Publication
 
Author
Bein. E.; Habte. B.; Jaber. A.; Birnie. A. & Tengnas. B.
Publisher
Regional Soil Conservation Unit: Nairobi
Year
1996
ISBN
9966-896-24-4
Description
A very well written and concise guide to almost 200 species. It gives a brief description of each plant together with its habitat, uses, propagation and cultivation. Line drawings of each plant are also included It can be downloaded from the internet
].

The thorns are used as a vermifuge[
396
Title
Useful Trees and Shrubs in Eritrea
Publication
 
Author
Bein. E.; Habte. B.; Jaber. A.; Birnie. A. & Tengnas. B.
Publisher
Regional Soil Conservation Unit: Nairobi
Year
1996
ISBN
9966-896-24-4
Description
A very well written and concise guide to almost 200 species. It gives a brief description of each plant together with its habitat, uses, propagation and cultivation. Line drawings of each plant are also included It can be downloaded from the internet
].

The bark of all Acacia species contains greater or lesser quantities of tannins and are astringent. Astringents are often used medicinally - taken internally, for example. they are used in the treatment of diarrhoea and dysentery, and can also be helpful in cases of internal bleeding. Applied externally, often as a wash, they are used to treat wounds and other skin problems, haemorrhoids, perspiring feet, some eye problems, as a mouth wash etc[
601
Title
The Useful Native Plants of Australia.
Publication
 
Author
Maiden J.H.
Website
http://www.biodiversitylibrary.org
Publisher
Turner & Co.; London.
Year
1889
ISBN
 
Description
Terse details of the uses of many Australian plants and other species naturalised, or at least growing, in Australia. It can be downloaded from the Internet.
,
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Many Acacia trees also yield greater or lesser quantities of a gum from the trunk and stems. This is sometimes taken internally in the treatment of diarrhoea and haemorrhoids[
601
Title
The Useful Native Plants of Australia.
Publication
 
Author
Maiden J.H.
Website
http://www.biodiversitylibrary.org
Publisher
Turner & Co.; London.
Year
1889
ISBN
 
Description
Terse details of the uses of many Australian plants and other species naturalised, or at least growing, in Australia. It can be downloaded from the Internet.
].

Other Uses

The bark is a source of tannins[
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.
]. Bark harvested for its tannins should only be taken from mature stems, and only when the sap is rising at the beginning of the growing season - which is when the tannin content is highest and the bark is most easily removed from the wood[
601
Title
The Useful Native Plants of Australia.
Publication
 
Author
Maiden J.H.
Website
http://www.biodiversitylibrary.org
Publisher
Turner & Co.; London.
Year
1889
ISBN
 
Description
Terse details of the uses of many Australian plants and other species naturalised, or at least growing, in Australia. It can be downloaded from the Internet.
].

A fibre is obtained from the bark[
396
Title
Useful Trees and Shrubs in Eritrea
Publication
 
Author
Bein. E.; Habte. B.; Jaber. A.; Birnie. A. & Tengnas. B.
Publisher
Regional Soil Conservation Unit: Nairobi
Year
1996
ISBN
9966-896-24-4
Description
A very well written and concise guide to almost 200 species. It gives a brief description of each plant together with its habitat, uses, propagation and cultivation. Line drawings of each plant are also included It can be downloaded from the internet
].

The wood is used for fuel[
396
Title
Useful Trees and Shrubs in Eritrea
Publication
 
Author
Bein. E.; Habte. B.; Jaber. A.; Birnie. A. & Tengnas. B.
Publisher
Regional Soil Conservation Unit: Nairobi
Year
1996
ISBN
9966-896-24-4
Description
A very well written and concise guide to almost 200 species. It gives a brief description of each plant together with its habitat, uses, propagation and cultivation. Line drawings of each plant are also included It can be downloaded from the internet
].

Propagation

The seed of most, if not all, members of this genus has a hard seedcoat and may benefit from scarification before sowing to speed up germination. This can usually be done by pouring a small amount of nearly boiling water on the seeds (being careful not to cook them!) and then soaking them for 12 - 24 hours in warm water. By this time they should have imbibed moisture and swollen - if they have not, then carefully make a nick in the seedcoat (being careful not to damage the embryo) and soak for a further 12 hours before sowing.
Acacia seeds that have matured fully on the bush and have been properly dried have a hard seed coat and can be stored in closed containers without deterioration for 5 - 10 years or more in dry conditions at ambient temperatures. It is best to remove the aril, which attracts weevils and can lead to moulds forming. The arils are easilyremoved by placing the seeds in water and rubbing them between the hands, then drying the seeds and winnowing them[
1294
Title
Potential of Australian Acacias in combating hunger in semi-arid lands
Publication
Conservation Science W. Aust. 4 (3):161-169 (2002)
Author
Rinaudo A.; Patel P.; Thomson L.A.J.
Publisher
 
Year
2002
ISBN
 
Description
 
].
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2018-11-20. <tropical.theferns.info/viewtropical.php?id=Vachellia+oerfota>

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