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Backhousia citriodora.jpg
Backhousia citriodora foliage and flowers
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Backhousia
Hook. & Harv.[1][2]

Backhousia is a genus of thirteen currently known species of flowering plants in the family Myrtaceae.[1][2] All the currently known species grow naturally only (endemic) in Australia in the rainforests and seasonally dry forests of Queensland, New South Wales and Western Australia.[2][3]

In 1845 in the European science publication the Botanical Magazine William Jackson Hooker and William Henry Harvey first published this genus's formal description and name, after botanist James Backhouse from England and Australia.[1][2]

They grow to aromatic shrubs or trees from 5 to 25 m (20 to 80 ft) tall, with leaves 3–12 cm (1.2–4.7 in) long and 1–6 cm (0.4–2.4 in) wide, arranged opposite to each other.


Sourced from the authoritative Australian Plant Name Index and Australian Plant Census as of June 2014.[2] For taxa including undescribed species further afield outside Australia, for example likely in New Guinea, this list lacks them—refer also to the genus Kania.[2][3]

Formerly included here


  1. ^ a b c Hooker, William Jackson; Harvey, William Henry (1845). "Tab. 4133 Backhousia myrtifolia Myrtle-leaved Backhousia; Nat Ord. Myrtaceae—Icosandria Monogynia; Backhousia. Hook. et Harv." (Digitised archive copy, online, from Botanical Magazine. 71. tab: 4133 (plate and text formal genus and species description). Retrieved 12 Oct 2014. 
  2. ^ a b c d e f "Backhousia%". Australian Plant Name Index (APNI), Integrated Botanical Information System (IBIS) database (listing by % wildcard matching of all taxa relevant to Australia). Centre for Plant Biodiversity Research, Australian Government. Retrieved 26 Apr 2013. 
  3. ^ a b Kew World Checklist of Selected Plant Families
  4. ^ Ford, Andrew J.; Craven, Lyndley A.; Brophy, J. J. (2005). "Backhousia enata A.J.Ford, Craven & J.Holmes (Myrtaceae), a new species from north-eastern Queensland". Austrobaileya. 7 (1). pages 121–127, fig. 1, map 1. Retrieved 1 Nov 2013. 
  5. ^ a b c d Harrington, Mark G.; Jackes, Betsy R.; Barrett, M. D.; et al. (2012). "Phylogenetic revision of Backhousieae (Myrtaceae): Neogene divergence, a revised circumscription of Backhousia and two new species". Australian Systematic Botany. 25: 409–414. doi:10.1071/sb12015. Retrieved 16 May 2013. 
  6. ^ Bean, A. R. (2003). "Backhousia oligantha (Myrtaceae), a new species from Queensland". Austrobaileya. 6 (3). pages 533–536, fig. 1, map 1. Retrieved 1 Nov 2013. 
  7. ^ "Mystery Tree April 2010; Update 2012 Backhousia tetraptera" (website). The Society for Growing Australian Plants Townsville Branch Inc. 2012. Retrieved 16 May 2013. 
  8. ^ Wilson, Paul G.; O'Brien, M. M.; Quinn, Chris J. (2000). "Anetholea (Myrtaceae), a new genus for Backhousia anisata: a cryptic member of the Acmena alliance". Australian Systematic Botany. 13 (3): 429–435. doi:10.1071/SB99008. 
  9. ^ Craven, Lyndley A.; Biffin, Ed (2005). "Anetholea anisata transferred to, and two new Australian taxa of, Syzygium (Myrtaceae)". Blumea. 50 (1): 157–162. doi:10.3767/000651905x623346. Retrieved 16 May 2013.