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Acacia_longifolia - (Andrews.)Willd.

Common Name Sydney Golden Wattle, Acacia
Family Fabaceae or Leguminosae
USDA hardiness 10-11
Known Hazards None known
Habitats Sandy soils mainly by the coast[167].
Range Australia - New South Wales, Queensland, Southern Australia, Tasmania, Victoria.
Edibility Rating    (3 of 5)
Other Uses    (3 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Frost Hardy Well drained soil Moist Soil Full sun
Acacia_longifolia Sydney Golden Wattle, Acacia


Acacia_longifolia Sydney Golden Wattle, Acacia
http://de.wikipedia.org/wiki/Benutzer:Michael_w

 

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Summary

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


Physical Characteristics

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Acacia_longifolia is an evergreen Tree growing to 9 m (29ft) by 6 m (19ft) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 8. It is in leaf all year, in flower in March. The species is hermaphrodite (has both male and female organs).
It can fix Nitrogen.
Suitable for: light (sandy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in saline soils.
It cannot grow in the shade. It prefers dry or moist soil. The plant can tolerates strong winds but not maritime exposure.

UK Hardiness Map US Hardiness Map

Synonyms

Mimosa longifolia.

Habitats

Edible Uses

Flowers - cooked[144]. Rich in pollen, they are often used in fritters. The flowers have a violet-like fragrance[245]. Seed - roasted[2, 46, 61, 105]. Starchy[177]. Rather small and fiddly to gather[K]. 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]. Seedpods - roasted[177]. The pods are up to 10cm long[219].

References   More on Edible Uses

Medicinal Uses

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None known

References   More on Medicinal Uses

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Other Uses

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]. It is used on sandy soils and steep banks[200]. Trees are planted as a screen in Australia[157]. This species is often grown as a rootstock for grafting lime-intolerant members of the genus[11]. Wood - pale, tough[154].

Special Uses

References   More on Other Uses

Cultivation details

Landscape Uses:Erosion control, Pest tolerant, Specimen, Street tree. Prefers a sandy loam and a very sunny position.[1, 182]. Succeeds in any good garden soil that is not excessively limey[11]. This species is fairly lime-tolerant[11, 200]. Succeeds in a hot dry position[166] and in poor soils[184]. A fairly wind resistant tree, growing well in maritime areas[49, 166, 182]. Tolerates some salt in the soil[200]. Hardy to about -10°c for short periods[200], it can be grown outdoors in many of the milder areas of the country though, even in Cornwall, it is liable to be cut back to the ground in excessively cold winters[11]. It can resprout from the base[11]. Tasmanian provenances are the hardiest forms in British gardens[182]. Dislikes root disturbance[78]. A very ornamental plant[1]. The flowers are scented of violets[245]. 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, Attractive foliage, Not North American native, Fragrant flowers, Attractive flowers or blooms.

References   Carbon Farming Information and Carbon Sequestration Information

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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

Found In

Countries where the plant has been found are listed here if the information is available

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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Acacia longifoliaSydney Golden Wattle, AcaciaTree9.0 10-11 MLNDM303

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.

 

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Author

(Andrews.)Willd.

Botanical References

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Links / References

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Readers comment

r a jones   Sat Feb 28 2009

today, 28th feb having been away for a while we now find the leaves are dying. Will there be a revival during our spring?

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