Acacia salicina

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Acacia salicina
Acacia salicina habit.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Clade: Mimosoid clade
Genus: Acacia
Species:
A. salicina
Binomial name
Acacia salicina
Lindl.[1]
Acacia salicinaDistMap788.png
Occurrence data from AVH
Synonyms
  • Acacia salicina Lindl. var. typica Domin
  • Acacia salicina Lindl. var. varians (Benth.)Benth.
  • Acacia salix-tristis F.Muell.
  • Acacia varians Benth.
  • Racosperma salicinum (Lindl.) Pedley

Acacia salicina is a thornless species of Acacia tree native to Australia.

Common names include cooba, native willow, willow wattle, Broughton willow, Sally wattle and black wattle.

It is a large shrub or small evergreen[2] tree growing up to 45 feet tall. Fast grower dropping lots of leaf litter. page=nswfl&showsyn=&dist=&constat=&lvl=sp&name=Acacia~salicina PlantNet - FloraOnline - Royal Botanic Gardens & Domain Trust, Sydney Australia]</ref> It has a life span of about 10–50 years. In the Northern Hemisphere, Acacia salicina flowers primarily from October to January and the seed pods are often visible from April to July.[3] The tree's seeds are shiny, black and have a crimson appendage-like aril.[4] Acacia salicina is "closely related" to Acacia ligulata[5] and Acacia bivenosa.[6]

Chemical compounds[]

Wood[]

  • (−)-7,8,3',4'-tetrahydroxyflavanone[7]
  • 7,8,3',4'-tetrahydroxydihydroflavonol[7]
  • 7,8,3',4'-tetrahydroxyflavonol[7]

Natural growing conditions[]

Acacia salicina is found parts of Eastern Australia. The average yearly precipitation over the entire range is 375-550mm, with the plant itself found growing in regions receiving in excess of 1500mm annually in northern Queensland and as low as 100mm annually in central Australia. Its natural altitude range is from 50-300m above sea level.[4] It does well in full sun exposure and it tolerates frosts down to -6.7 deg. C (-20 deg. F).[2]

Uses[]

Acacia salicina

Erosion management[]

Acacia salicina can be used to help stabilize riverbanks and other areas.[8]

Fodder[]

The tree's foliage and seed pods are important fodder for livestock during dry periods, since the tree can withstand drought quite well.[8] Its foliage and pods compare quite poorly to other fodders with regard to digestibility by livestock. This affects its available nutritional value.[9] The 1889 book 'The Useful Native Plants of Australia’ records that "The leaves are eaten by stock. This is another tree which is rapidly becoming scarce, owing to the partiality of stock to it."[10]

Food[]

The seeds are edible.[8]

Landscaping[]

Acacia salicina branches with seed pods

Acacia salicina is excellent for landscaping in dry areas.[8]

Tannin[]

The bark has a high tannin content.[8]

Wood[]

Acacia salicina Bark

The wood is very hard and it is used in making fine furniture.[8] At one time, the tree's wood was used in the manufacture of axles for wagon wheels. Acacia salicina's wood burns nicely and makes good fuel.[8] Its calorific content is 18900kJ/kg dry mass.[9] The tree produces seed and timber for woodworking in as little as five years after planting.[11]

Other uses[]

The bark has been traditionally put to use by Indigenous Australians as a toxin for fishing.[8] The leaves of A. salicina are thought to be psychoactive, since indigenous Australians "burn its leaves and smoke the ash to obtain a state of inebriation."[12]

The 1889 book 'The Useful Native Plants of Australia’ records that common names included "Native Willow" and "Broughton Willow" near the Broughton River in South Australia. It also records it was called "Cooba" or "Kooba" by Indigenous People in Western New South Wales and "Motherumba" by those on the Castlereagh River, New South Wales.[10]

Weed status[]

Acacia salicina spreads widely through seed dispersal, and individual trees can rapidly form thickets through production of adventitious shoots from the root system. The species has become a significant weed over some of its native [13][14] and introduced [15] range

References[]

  1. ^ ILDIS LegumeWeb
  2. ^ a b Gardens At Carefree Town Center - Plant Identification List Archived April 8, 2008, at the Wayback Machine
  3. ^ PDF Ursula K. Schuch and Margaret Norem, Growth of Legume Tree Species Growing in the Southwestern United States, University of Arizona.
  4. ^ a b Species Bank Treatment for Acacia Salicina
  5. ^ "Fact Sheet for Acacia ligulata". Archived from the original on 2007-08-29. Retrieved 2007-06-17.
  6. ^ WorldWideWattle
  7. ^ a b c Australian Journal of Chemistry
  8. ^ a b c d e f g h Acacia Salicina
  9. ^ a b Acacia Search
  10. ^ a b J. H. Maiden (1889). The useful native plants of Australia : Including Tasmania. Turner and Henderson, Sydney.
  11. ^ Victorian Landcare & Catchment Management, Autumn 2003 Issue 27 p. 8
  12. ^ Handbook Of Medicinal Plants By Zohara. Yaniv, Uriel Bachrach
  13. ^ http://www.worldwidewattle.com/infogallery/utilisation/acaciasearch/pdf/salicina.pdf
  14. ^ "Listed invasive native species by Catchment Management Authority" (PDF). Archived from the original (PDF) on 2008-07-19. Retrieved 2014-01-06.
  15. ^ Invasive weeds database
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