Eranthis hyemalis
Ecology
A small, tuberous perennial, dying back in summer. It is naturalised, sometimes in large numbers, in open woodland, grassland and scrub associated with habitation, under park trees, in gardens and on road verges. Lowland.
Status
Trends
E. hyemalis was introduced as a garden plant by 1596, and has become thoroughly established in some areas; it was first recorded in the wild in 1838. The eastern distribution was already apparent in the 1962 Atlas. The great increase since then is probably due to a genuine increase in frequency and the improved recording of aliens.
World Distribution
Native of S. Europe from Italy to Bulgaria, and of Turkey; widely naturalised in Europe outside its native range.
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Broad Habitats
Light (Ellenberg): 3
Moisture (Ellenberg): 5
Reaction (Ellenberg): 7
Nitrogen (Ellenberg): 6
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 3.4
July Mean Temperature (Celsius): 15.6
Annual Precipitation (mm): 716
Height (cm): 15
Perennation - primary
Life Form - primary
Woodiness
Clonality - primary
Count of 10km squares in Great Britain: 614
Count of 10km squares in Ireland: 0
Count of 10km squares in the Channel Isles: 0
Atlas Change Index: 1.59
Weighted Changed Factor: 49
Weighted Change Factor Confidence (90%)
JNCC Designations
PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.
Atlas text references
Atlas (18c)
Jalas & Suominen (1989)
Comment on Clonality