Centranthus ruber

Tracheophyta MagnoliopsidaValerianaceaeCentranthusCentranthus ruber


A perennial herb thoroughly naturalised on sea-cliffs, limestone rock outcrops and pavements, rocky waste ground, in quarries, on railway banks, on old walls and buildings, and in other well-drained, disturbed and open habitats. Lowland.



World Distribution

Native of S.W. Europe and the Mediterranean region; widely naturalised further north in W. & C. Europe.

© P. Shannon

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 4

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 5


Salt Tolerance (Ellenberg): 1

January Mean Temperature (Celsius): 4

July Mean Temperature (Celsius): 15.5

Annual Precipitation (mm): 896

Life form information

Height (cm): 80

Perennation - primary


Life Form - primary


Life Form - secondary


Comment on Life Form

genuinely intermediate



Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 1361

Count of 10km squares in Ireland: 357

Count of 10km squares in the Channel Isles: 14

Atlas Change Index: 1.15

Weighted Changed Factor: 62

Weighted Change Factor Confidence (90%)


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

References: Atlas (268c)
de Bolòs O, Vigo J
1995.  Flora dels Països Catalans, III. Pirolàcies-Compostes.