Acacia floribunda

Acacia floribunda is a perennial evergreen[2] shrub or tree. It is a species of wattle native to New South Wales, Queensland and Victoria, but is cultivated extensively, and has naturalised in South Australia, Tasmania and Western Australia, and also in Indonesia, Mauritius and northern New Zealand. Common names for it include gossamer wattle, weeping acacia and white sallow wattle.[1] It grows up to 6m in height, but there is a commercial form available which only grows to about 1m tall. Its cream-colored flowers occur in the early Spring (August to September in the southern hemisphere).[3]

Gossamer wattle
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Clade: Mimosoid clade
Genus: Acacia
Species:
A. floribunda
Binomial name
Acacia floribunda
Synonyms
  • Acacia angustifolia Lodd.
  • Acacia floribunda (Vent.) Willd. var. latifolia Benth.
  • Acacia intermedia Hook.
  • Acacia longifolia (Andrews) Willd. var. floribunda (Vent.)Benth.
  • Acacia longifolia (Andrews) Willd. var. floribunda (Vent.)F.Muell.
  • Acacia retinodes Schltdl. var. floribunda (Vent.)H.Vilm.
  • Mimosa floribunda Vent.
  • Phyllodoce floribunda (Vent.) Link
  • Racosperma floribundum (Vent.) Pedley[1]

Uses

In landscaping, Acacia floribunda is very useful for controlling erosion, especially in gullies. It is also useful as a hedge,[3] as a wind breaker, around bogs and ponds and as a shade tree.[4] It is sold frequently as an ornamental landscaping plant because it is fast-growing and it has many beautiful flowers.[5]

The tree is used for its nitrogen fixing properties by interspersing it with fruit trees.[6]

A. floribunda foliage has some use as fodder for livestock such as goats.[6]


Phytochemistry

The phyllodes, twigs and bark of this species contains the compound NN-Dimethyltryptamine (0.4-0.5%) and other substituted tryptamines.[7] These are components of the South American visionary medicine Ayahuasca.

Allergen

Some individuals are allergic to A. floribunda pollen.[8] About 1.2% of the population not closely exposed to the pollen are allergic, but 31% of floriculturists are allergic to it, seemingly because of their increased exposure.[9]

Cultivation

Acacia floribunda can be propagated from seed by treating the seeds in near-boiling water to penetrate the hard outer seed coating. Alternatively, the outer coatings of the seeds can be sanded down somewhat to allow water in.[3]

References
Wikispecies has information related to acacia floribunda.
  1. "Acacia floribunda - ILDIS LegumeWeb". www.ildis.org. Retrieved 2008-03-10.
  2. Native Flora of the Southern Highlands Archived March 29, 2007, at the Wayback Machine
  3. Australian National Botanic Gardens
  4. Organic Matters
  5. Australian Acacias in the Garden
  6. Gardening Australia Factsheet: Permaculture Paradise
  7. S. Voogelbriender, Garden Of Eden (2009); EGA leaflet (2023) - https://www.entheogenesis.org/ega-resources/reference-guide-for-common-wattles
  8. Akpinar-Elci M, Elci OC, Odabasi A (June 2004). "Work-related asthma-like symptoms among florists". Chest. 125 (6): 2336–9. doi:10.1378/chest.125.6.2336. PMID 15189959. Archived from the original on 2007-09-29.
  9. Ariano R, Panzani RC, Amedeo J (March 1991). "Pollen allergy to mimosa (Acacia floribunda) in a Mediterranean area: an occupational disease". Ann Allergy. 66 (3): 253–6. PMID 2006774.
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