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Useful Tropical Plants

Acacia elata

A.Cunn. ex Benth.

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 (including this one) should retain the name Acacia, whilst other sections of the genus should be transferred to the genera Acaciella, Mariosousa, Senegalia and 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

Racosperma elatum (A.Cunn. ex Benth.) Pedley

Common Name: Mountain Cedar Wattle

Acacia elata
Cultivated tree
Photograph by: Scamperdale
Creative Commons License
Acacia elata Acacia elata Acacia elata Acacia elata Acacia elata Acacia elata

General Information

Acacia elata is an unarmed tree usually growing 7 - 20 metres tall, occasionally reaching 25 - 28 metres. The bole is usually up to 60cm in diameter, exceptionally to 90cm, and branches are often retained to near ground level when the tree is growing in the open[
286
Title
Flora of Australia
Publication
 
Author
 
Website
http://www.anbg.gov.au/abrs/abif/flora/
Publisher
 
Year
0
ISBN
 
Description
The full information from the Flora of Australia - on-line. An excellent resource.
,
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
,
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
]. Unlike most of the Australian Acacias, this species retains its true leaves into maturity and does not develop phyllodes.
The tree is harvested as a source of tannins and wood. It is cultivated to provide shelter, shade and material for green manure in plantations, and is also grown as an ornamental[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

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

286
Title
Flora of Australia
Publication
 
Author
 
Website
http://www.anbg.gov.au/abrs/abif/flora/
Publisher
 
Year
0
ISBN
 
Description
The full information from the Flora of Australia - on-line. An excellent resource.
,
365
Title
Flora of New South Wales
Publication
 
Author
 
Website
http://plantnet.rbgsyd.nsw.gov.au/floraonline.htm
Publisher
 
Year
0
ISBN
 
Description
An on-line resource giving a brief botanical description of all the native plants of New South Wales, their habitat and range, together with diagrams and photographs of the plants.

Range

Australia - Victoria, New South Wales, South Australia, Western Australia.

Habitat

Along the sides of rivers and in ravines[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. Rainforest and wet sclerophyll forest in various situations on the escarpment ranges[
365
Title
Flora of New South Wales
Publication
 
Author
 
Website
http://plantnet.rbgsyd.nsw.gov.au/floraonline.htm
Publisher
 
Year
0
ISBN
 
Description
An on-line resource giving a brief botanical description of all the native plants of New South Wales, their habitat and range, together with diagrams and photographs of the plants.
]. Tall open forest and rainforest, often along streams, in deep sandy soils[
286
Title
Flora of Australia
Publication
 
Author
 
Website
http://www.anbg.gov.au/abrs/abif/flora/
Publisher
 
Year
0
ISBN
 
Description
The full information from the Flora of Australia - on-line. An excellent resource.
].

Properties

Medicinal Rating *  *
Other Uses Rating *  *
HabitTree
Height15.00 m
Growth RateFast
PollinatorsInsects
Cultivation StatusCultivated, Ornamental, Wild

Cultivation Details

Acacia elata is a plant of the warm temperate zone and the subtropics in eastern Australia, where it can be found at elevations up to 1,200 metres. It is also sometimes cultivated in tropical countries. The tree is found where mean annual temperatures are within the range 11 - 17°c, with the hottest months around 23 - 29°c and often falling to below zero in the coolest months. Rainfall can vary from 625 - 1,250mm, some of it falling as snow at higher elevations[
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
].
Requires a sunny position in a well-drained soil. Plants are found in the wild in deep, sandy, acid to neutral soils, especially on sandstones and shales[
286
Title
Flora of Australia
Publication
 
Author
 
Website
http://www.anbg.gov.au/abrs/abif/flora/
Publisher
 
Year
0
ISBN
 
Description
The full information from the Flora of Australia - on-line. An excellent resource.
,
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
].
A fast-growing, relatively long-lived tree[
286
Title
Flora of Australia
Publication
 
Author
 
Website
http://www.anbg.gov.au/abrs/abif/flora/
Publisher
 
Year
0
ISBN
 
Description
The full information from the Flora of Australia - on-line. An excellent resource.
]. Plants have grown very rapidly in southeast Queensland, attaining heights of 5.5 - 7.4 metres after 41 months[
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
].
An ornamental tree, suitable for cultivation in parks and gardens[
286
Title
Flora of Australia
Publication
 
Author
 
Website
http://www.anbg.gov.au/abrs/abif/flora/
Publisher
 
Year
0
ISBN
 
Description
The full information from the Flora of Australia - on-line. An excellent resource.
]. The bipinnate leaves are the largest of any Australian acacia, reaching overall dimensions of 50 × 35cm[
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
].
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[
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
].

Edible Uses

None known

Medicinal

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.
].

Agroforestry Uses:

The tree is planted to protect the soil and provide material for green manure in Cinchona and other plantations in Sri Lanka and West Java, where it grows well and fast[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
The tree is suitable for use in shelterbelt plantings[
286
Title
Flora of Australia
Publication
 
Author
 
Website
http://www.anbg.gov.au/abrs/abif/flora/
Publisher
 
Year
0
ISBN
 
Description
The full information from the Flora of Australia - on-line. An excellent resource.
].

Other Uses

The flowers and leaves have been used for producing dyes[
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
].

The bark contains 20 - 31% tannin[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. 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 gum is obtained from the trunk and branches - the gum is in amber coloured tears. The tree itself is of very local distribution, and as far as the author's experience goes, the gum is very rare. Out of perhaps two hundred individuals
examined, only one exuded it to the extent of 100g, perhaps half a dozen gave a few grains each, while on the remainder no trace of gum was visible[
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.
].

The pale-coloured wood has been reported to be soft and lack durability, but may be suitable for packing cases. It
should prove amenable to preservative treatment and treated posts would make a suitable fencing material[
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
]. The wood has excellent potential for pulpwood: the only sample evaluated produced a very high pulp yield[
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
]. The wood pulp has proved to be excellent for making paper[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
The denser wood from older trees should prove to be an excellent fuel[
1300
Title
Australian Trees and Shrubs: Species for Land Rehabilitation and Farm Planting in the Tropics
Publication
 
Author
Doran J.C.; Turnbull J.W. (Editors)
Publisher
Australian Centre for International Agricultural Research; Canbe
Year
1997
ISBN
1-86320-127-0
Description
A very informative book, rich in information about the uses, cultivation needs and very much more for over 160 species of Australian trees and shrubs.
].

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. 2018-12-12. <tropical.theferns.info/viewtropical.php?id=Acacia+elata>

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