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Acacia aneura - F.Muell. ex Benth.

Common Name Mulga Acacia
Family Fabaceae or Leguminosae
USDA hardiness 8-11
Known Hazards None known
Habitats Arid areas in all mainland states except Victoria[157, 167].
Range Australia - New South Wales, Queensland, South Australia.
Edibility Rating    (3 of 5)
Other Uses    (3 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Half Hardy Well drained soil Moist Soil Full sun
Acacia aneura Mulga Acacia


http://www.hear.org/starr/imageusepolicy.htm
Acacia aneura Mulga Acacia

 

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Summary

Bloom Color: Yellow. Main Bloom Time: Early spring, Late spring, Mid spring. Form: Rounded, Vase.


Physical Characteristics

 icon of manicon of cone
Acacia aneura is an evergreen Tree growing to 15 m (49ft 3in) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 9. It is in leaf all year, in flower from March to July. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
It can fix Nitrogen.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid and neutral soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Woodland Garden Sunny Edge; South Wall. By. West Wall. By.

Edible Uses

Edible Parts: Flowers  Manna  Seed
Edible Uses: Drink  Gum

Flowers - cooked[144]. Rich in pollen, they are often used in fritters[144]. The bark exudes an edible gum[183]. Some species produce a gum that is dark and is liable to be astringent and distasteful, but others produce a light gum and this is sweet and pleasant. It can be sucked like candy or soaked in water to make a jelly[193]. The gum can be warmed when it becomes soft and chewable[193]. Seed - cooked. It is dried, ground into a flour and used with cereals in making cakes etc[177, 183]. Acacia seeds are highly nutritious and contain approx 26% protein, 26% available carbohydrate, 32% fibre and 9% fat[278]. The fat content is higher than most legumes with the aril providing the bulk of fatty acids present[278]. These fatty acids are largely unsaturated which is a distinct health advantage although it presents storage problems as such fats readily oxidise[278]. The mean total carbohydrate content of 55.8 + 13.7% is lower than that of lentils, but higher than that of soybeans while the mean fibre content of 32.3 + 14.3% is higher than that of other legumes such as lentils with a level of 11.7%[278]. The energy content is high in all species tested, averaging 1480+270 kJ per 100g[278]. Wattle seeds are low glycaemic index foods. The starch is digested and absorbed very slowly, producing a small, but sustained rise in blood glucose and so delaying the onset of exhaustion in prolonged exercise[278]. A sweet red or white 'lerp' that forms on the leaves and branches is eaten[183]. Lerp is a protective shield secreted from the anus of sap-sucking insects[193]. The taste is sweet and it was used as a staple food by the Aborigines in some areas of Australia[193]. It is not clear if the lerp is eaten when the insects are still present or if it can be eaten after they have gone[K]. A large succulent gall, known as 'mulga apple' is produced by the tree and is said to quench the thirst[183].

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


None known

References   More on Medicinal Uses

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Other Uses

Brush  Dye  Gum  Soil stabilization  Wood

A yellow dye is obtained from the flowers[168]. A green dye is obtained from the seed pods[168]. The extensive root system of this plant helps to prevent soil erosion[200]. The twigs are used to make a dishmop[156]. Wood - turns well, takes a high polish. It is used extensively for ornaments and fencing[156, 157, 167].

Special Uses

Nitrogen Fixer

References   More on Other Uses

Cultivation details

Landscape Uses:Erosion control, Pest tolerant, Specimen. Prefers a sandy loam and a very sunny position[1]. Succeeds in any good garden soil that is not excessively limey[11]. Most species become chlorotic on limey soils[200]. In the wild this species tolerates periodic inundation[167], though it is also very drought tolerant[245]. Hardy to at least -7c in Australian gardens[157], though this cannot be translated directly to British gardens due to our cooler summers and longer colder and wetter winters. Trees are not very hardy outdoors in Britain, even in the mildest areas of the country they are likely to be killed in excessively harsh winters[11]. 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]. Special Features:Attracts birds, Not North American native, Fragrant flowers, Attractive flowers or blooms.

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - best sown as soon as it is ripe in a sunny position in a warm greenhouse[1]. Stored seed should be scarified, pre-soaked for 12 hours in warm water and then sown in a warm greenhouse in March. The seed germinates in 3 - 4 weeks at 25°c[133]. As soon as the seedlings are large enough to handle, prick them out into individual pots and grow them on in a sunny position in the greenhouse for their first winter. Plant them out in late spring or early summer, after the last expected frosts, and consider giving them some protection from the cold for their first winter outdoors. Cuttings of half-ripe wood with a heel, July/August in individual pots in a frame[78]. Overwinter in a greenhouse for the first winter and plant out in their permanent positions in late spring or early summer. Fair percentage[78].

Other Names

If available other names are mentioned here

Native Range

AUSTRALASIA: Australia (New South Wales, Queensland, South Australia, Western Australia, Northern Territory)

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

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Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

Expert comment

Author

F.Muell. ex Benth.

Botanical References

200

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