Wednesday 22 May
Hill hibiscus (Hibiscus sturtii)
- The hill hibiscus is native to Australia.
- Hill hibiscus seeds are encased within hairy, spherical capsules that are one centimetre in length.
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Hill hibiscus fact file
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Hill hibiscus description
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).
- Height: 75 cm (2)
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.Top
Hill hibiscus range
The hill hibiscus is considered to be widespread across Australia, with the exception of Victoria and Tasmania (2).Top
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).Top
Hill hibiscus status
The hill hibiscus is not yet classified on the IUCN Red List.Top
Hill hibiscus threats
The hill hibiscus is not currently considered to be a threatened species.Top
Hill hibiscus conservation
There are no known conservation measures for the hill hibiscus at present.Top
Find out more
Find out more about the hill hibiscus:
The Australian Native Plants Society - Hibiscus sturtii:
PlantNet New South Wales Flora online - Hibiscus sturtii:
More on Australian flora:
FloraBase: The Western Australian Flora:
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:
- 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.
PlantNet: New South Wales Flora online - Hibiscus sturtii (March, 2013)
Australian Native Plants Society - Hibiscus sturtii (March, 2013)
- 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.
- Woolls, W. (1867) A contribution to the flora of Australia. F. White, Sydney.
- Pellow, B., Henwood, M. and Carolin, R. (2009) Flora of the Sydney Region: a complete revision. Fifth Edition. Sydney University Press, Sydney.
FloraBase: The Western Australian Flora (March, 2013)
Alice Springs Town Council Recommended Plant Database - Hibiscus sturtii (March, 2013)
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