Otanthus maritimus
Ecology
A perennial herb of sand dunes and stabilised shingle. Lowland.
Status
Trends
First recorded in our area in the early 17th century, this species has undergone a major decline since 1850. It is now restricted as a native to just two sites in Co. Wexford, where populations appear to be stable; it has been introduced to a third locality. It is extinct in Britain, the last records being from Cornwall in 1933 and the Isles of Scilly in 1936. It was last recorded in the Channel Islands (on Jersey) in 1926.
World Distribution
Mediterranean-Atlantic element; more frequent on stable Mediterranean beaches than on the stormy Atlantic coast.
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Broad Habitats
Light (Ellenberg): 9
Moisture (Ellenberg): 2
Reaction (Ellenberg): 5
Nitrogen (Ellenberg): 2
Salt Tolerance (Ellenberg): 3
January Mean Temperature (Celsius): 5.1
July Mean Temperature (Celsius): 16
Annual Precipitation (mm): 874
Height (cm): 30
Perennation - primary
Life Form - primary
Woodiness
Clonality - primary
Count of 10km squares in Great Britain: 23
Count of 10km squares in Ireland: 6
Count of 10km squares in the Channel Isles: 3
Atlas Change Index: -1.49
Plantatt Conservation Status
JNCC Designations
Atlas text references
Atlas (283c)
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1995. Flora dels Països Catalans, III. Pirolàcies-Compostes.
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1988. The Irish Red Data Book. 1. Vascular Plants.
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1901. The range of Diotis candidissima Desf., in England and Wales, and in Ireland. Memoirs and Proceedings of the Manchester Literary and Philosophical Society. 46(1):1-8.
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1971. Flora of the Isles of Scilly.
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1999. Britain's rare flowers.