Glaucium flavum

Tracheophyta MagnoliopsidaPapaveraceaeGlauciumGlaucium flavum


A short-lived perennial herb of shingle banks and stony beaches; also, more rarely, amongst loose rock and on eroding cliffs of sand and clay, and on the bare tops of chalk cliffs. The few inland records are of casual occurrences. Lowland.



World Distribution

Mediterranean-Atlantic element; widely naturalised outside its native range.

© P. Shannon

Broad Habitats

Supralittoral sediment (strandlines, shingle, coastal dunes)

Light (Ellenberg): 9

Moisture (Ellenberg): 5

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 6


Salt Tolerance (Ellenberg): 3

January Mean Temperature (Celsius): 4.7

July Mean Temperature (Celsius): 15.5

Annual Precipitation (mm): 933

Life form information

Height (cm): 90

Perennation - primary


Life Form - primary




Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 296

Count of 10km squares in Ireland: 64

Count of 10km squares in the Channel Isles: 8

Atlas Change Index: -0.39

Distribution information

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 (30a)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1991)
Scott (1963b)