Seriphidium maritimum

Tracheophyta MagnoliopsidaAsteraceaeSeriphidiumSeriphidium maritimum


An aromatic perennial herb occurring in the upper, drier parts of saltmarshes; also found on shingle, sea-cliffs, waste ground and walls close to the sea, by brackish dykes of drained estuarine marshes and on the banks of tidal rivers. Lowland.



World Distribution

Suboceanic Temperate element.

© G. Toone, IWNHAS

Broad Habitats

Littoral sediment (includes saltmarsh and saltmarsh pools)

Light (Ellenberg): 9

Moisture (Ellenberg): 7

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 6


Salt Tolerance (Ellenberg): 5

January Mean Temperature (Celsius): 4.3

July Mean Temperature (Celsius): 15.8

Annual Precipitation (mm): 783

Life form information

Height (cm): 50

Perennation - primary


Life Form - primary


Life Form - secondary


Comment on Life Form

genuinely intermediate



Clonality - primary

Rhizome far-creeping

Count of 10km squares in Great Britain: 222

Count of 10km squares in Ireland: 20

Count of 10km squares in the Channel Isles: 1

Atlas Change Index: -0.42

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.