Ozothamnus rodwayi
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Ozothamnus rodwayi, commonly known as alpine everlastingbush (and formerly known as Helichrysum backhousii[1]), is a species of flowering plant in the family Asteraceae that is endemic to Tasmania, Australia. It is one of 54 species from the genus Ozothamnus. Its is a widespread small, dense alpine shrub abundantly found in alpine and high subalpine heaths and woodlands.
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| File:Ozothamnus rodwayi dense floral terminal clusters.jpg | |
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| Species: | O. rodwayi
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| Ozothamnus rodwayi | |
Ozothamnus rodwayi is a small and compact, highly-branched rounded shrub that typically grows 50-100cm in height and 50-80cm in width. It is distinguished from other members of its genus by its tiny (7-15mm long), grey/green leaves with a densely hairy-white underside, that are obovate and alternately arranged. Young foliage has a slightly sticky feel. It's has white daisy flowers that are arranged in compact terminal, profuse clusters, distinguished by brown hairy bracts. As with all members of the asteraceae family, its fruit is a cypsela.
Taxonomy
Species variations
There 3 species variations of Ozothamnus rodwayi which are currently recognised by the Australian Plant Census:
- Ozothamnus rodwayi var. kingii[4], silvery alpine everlastingbush, distinguished by its silver foliage.
- Ozothamnus rodwayi var. oreophilus[5], eastern alpine everlastingbush, distinguished by dark green leaves.
- Ozothamnus rodwayi var. rodwayi[6], alpine everlastingbush.
Habitat and distribution [2]
Ozothamnus rodwayi is widespread and abundant in areas of high altitude throughout Tasmania, Australia, to which it is endemic. It is common on exposed alpine slopes to subalpine heath and woodlands, such as at Cradle Mountain-Lake St Clair National Park, Mount Field National Park and throughout the Central Highlands (Tasmania).
Cultivation[2]
Requires full sun in moist, well drained soil with a high humus content. Ozothamnus rodwayi can be used as an attractive shrubbery, rockery or container plant and can be propagated from seedling or cuttings.
References
- ^ Wilson, P.G., Short, P.S. and Orchard, A.E., 1992. Some nomenclatural changes in the Angianthinae and Cassiniinae (Asteraceae: Gnaphalieae). Muelleria, 7(4), pp.519-524.
- ^ a b c Howells, C. (2021). Tasmania's Natural Flora - 3rd Edition. Hobart: Australian Plants Society Tasmania Inc., Hobart Group. p. 68. ISBN 9780909830090.
- ^ Jordan, Greg (2019). "Key to Tasmanian Vascular Plants - Ozothamnus rodwayi". University of Tasmania. Retrieved 18 March 2022.
- ^ Curtis, W.M.; Short, P.S. & Orchard, A.E. (1992). "Ozothamnus rodwayi var. kingii". Australian Plant Census.
{{cite web}}: CS1 maint: multiple names: authors list (link) Retrieved 18 March 2022. - ^ Wilson, P.G.; Short, P.S. & Orchard, A.E. (1992), "Ozothamnus rodwayi var. oreophilus" Australian Plant Census. Retrieved 18 March 2022.
- ^ Wilson, P.G.; Short, P.S. & Orchard, A.E. (1992), "Ozothamnus rodwayi var. rodwayi" Australian Plant Census. Retrieved 18 March 2022.