Leucophyta
Template:Short description Template:Speciesbox
Leucophyta is a plant genus which is endemic to Australia. The genus was first formally described by botanist Robert Brown in 1818.[1]
The sole species in the genus is Leucophyta brownii, also known as cushion bush.[2] In 1891, German botanist Otto Kuntze assigned a number of species to this genus in his publication Revisio Generum Plantarum but none of his name combinations have currency, those species being presently divided between the genera Balladonia, Blennospora, Calocephalus and Gnephosis.[3][4]
Leucophyta brownii is a small, rounded shrub with tangled tomentose branchlets that give it a silvery appearance.[5] Although it can grow up to a metre high, it is more usually 0.2 to 0.7 metres high.[6] It produces flowers during summer (December to February in Australia), which are white-yellow globular heads and about 1 cm in diameter.[7]
The species is common in cultivation in Australia, with a selected dwarf form from Tasmania, known by the cultivar name 'Silver Nugget', also grown.[8]
Habitat
Leucophyta brownii is found in coastal environments. It commonly occurs on the exposed faces of cliffs and dunes on the south coast of Australia.[5][7] It is highly tolerant of prevailing winds, sea spray, drought and frost, and grows on predominantly sand or sandstone derived soil. Further, the soil can be highly alkaline when sand is composed of calcium carbonate. It grows most successfully in full sun.[9]
References
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- ↑ Brown, R. (1818) Observations on the Natural Family of Plants called Compositae. Transactions of the Linnean Society of London 12: 106.
- ↑ VicFlora: Leucophyta based on Short, P.S. (1999) Leucophyta. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne
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- ↑ VicFlora: Leucophyta brownii based on Short, P.S. (1999) Leucophyta. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne
- ↑ a b FloraBase – The Western Australian Flora: Leucophyta brownii Cass.
- ↑ Burke's Backyard: Silver Nugget
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