Inula conyzae

Tracheophyta MagnoliopsidaAsteraceaeInulaInula conyzae


A biennial or perennial herb of dry sites, mainly on chalk or limestone, less frequently on sands and gravels, typically in places where the vegetation cover is broken or in areas of open soil or stony ground. It occurs in dry grassland, on banks, woodland margins, rides and scrub, in quarries and pits, screes (but rarely on cliffs), on the more vegetated parts of sand dunes, on roadsides and rough ground. Most sites have a southerly aspect and are unshaded. 0-305 m (Kingsdale, Mid-W. Yorks.).



World Distribution

European Temperate element; it reaches its northern limit in Jutland.

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 3

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 3

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.9

July Mean Temperature (Celsius): 15.9

Annual Precipitation (mm): 821

Height (cm): 125

Perennation - primary


Life Form - primary




Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 860

Count of 10km squares in Ireland: 0

Count of 10km squares in the Channel Isles: 7

Atlas Change Index: -0.15

Weighted Changed Factor: -27

Weighted Change Factor Confidence (90%)


JNCC Designations