Hill hibiscus (Hibiscus sturtii)

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Hill hibiscus flower

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  • The hill hibiscus is native to Australia.
  • Hill hibiscus seeds are encased within hairy, spherical capsules that are one centimetre in length.
  • The hill hibiscus has large pink, purple or white flowers that are approximately six centimetres in diameter.
  • There are five recognised varieties of the hill hibiscus, all of which differ slightly in appearance.
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Hill hibiscus fact file

Hill hibiscus description

KingdomPlantae
PhylumTracheophyta
ClassMagnoliopsida
OrderMalvales
FamilyMalvaceae
GenusHibiscus (1)

The hill hibiscus (Hibiscus sturtii) is a rigid plant that grows both outwards (horizontal to the ground) and upwards (2) (3). Its broad, oval-shaped leaves are thick and soft, and its flowers vary in colour being either pink, purple or white (2) (4). Each flower has a diameter of approximately six centimetres (2). The seeds are contained within hairy, spherical, one-centimetre capsules (1) (2).

There are five recognised varieties of the hill hibiscus: Hibiscus var. grandiflora, Hibiscus var. sturtii, Hibiscus var. muelleri, Hibiscus var. campylochlamys, and Hibiscus var. platychlamys (2) (3). These varieties differ slightly in appearance and geographical location within Australia (3).

Size
Height: 75 cm (2)
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Hill hibiscus biology

The hill hibiscus flowers continuously throughout the year (6), but each individual flower only survives for up to two days (2). This species can survive in a range of soils and habitats (6), but is known to be sensitive to frost (7).

There is currently very little information available on the biology of the hill hibiscus. 

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Hill hibiscus range

The hill hibiscus is considered to be widespread across Australia, with the exception of Victoria and Tasmania (2)

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Hill hibiscus habitat

Occurring in a variety of different habitats, the hill hibiscus is found in open forest and on sand plains (2). This species also occurs in rocky habitats and woodland dominated by eucalyptus trees (5).

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Hill hibiscus status

The hill hibiscus is not yet classified on the IUCN Red List.

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Hill hibiscus threats

The hill hibiscus is not currently considered to be a threatened species. 

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Hill hibiscus conservation

There are no known conservation measures for the hill hibiscus at present. 

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Find out more

Find out more about the hill hibiscus:

More on Australian flora:

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Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact:
arkive@wildscreen.org.uk

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Glossary

Variety
In taxonomy, the science of classifying organisms, variety is a rank below species or subspecies. Members of a variety differ from others of the same species in relatively minor ways.
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References

  1. PlantNet: New South Wales Flora online - Hibiscus sturtii (March, 2013)
    http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Hibiscus~sturtii
  2. Australian Native Plants Society - Hibiscus sturtii (March, 2013)
    http://anpsa.org.au/h-stu.html
  3. Bentham, G. and von Mueller, F. (1863)Flora Australiensis: A Description of the Plants of the Australian Territory. Volume One. L. Reeve and Company, London.
  4. Woolls, W. (1867) A contribution to the flora of Australia. F. White, Sydney.
  5. Pellow, B., Henwood, M. and Carolin, R. (2009) Flora of the Sydney Region: a complete revision. Fifth Edition. Sydney University Press, Sydney.
  6. FloraBase: The Western Australian Flora (March, 2013)
    http://florabase.dec.wa.gov.au/browse/profile/4942
  7. Alice Springs Town Council Recommended Plant Database - Hibiscus sturtii (March, 2013)
    http://www.alicesprings.nt.gov.au/plant/display/id/150
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Image credit

Hill hibiscus flower  
Hill hibiscus flower

© Wayne Lawler / Auscape International

Auscape International
PO Box 1024,
Bowral
NSW
25a76
Australia
Tel: (+61) 2 4885 2245
Fax: (+61) 2 4885 2715
sales@auscape.com.au
http://www.auscape.com.au

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