Juncus capitatus

Tracheophyta MagnoliopsidaJuncaceaeJuncusJuncus capitatus


A diminutive, autumn-germinating annual of barish ground often kept open by standing water in winter and always droughted in summer. It grows around serpentine rock outcrops, on ledges of granite sea-cliffs, in dune-slacks and sometimes in quarries. Lowland.



World Distribution

European Southern-temperate element; widely naturalised outside its native range.

© K.J. Walker, BSBI

Broad Habitats

Dwarf shrub heath (cover of dwarf shrubs at least 25%)

Light (Ellenberg): 8

Moisture (Ellenberg): 6

Reaction (Ellenberg): 5

Nitrogen (Ellenberg): 1

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 6.3

July Mean Temperature (Celsius): 16.1

Annual Precipitation (mm): 889

Height (cm): 5

Perennation - primary


Life Form - primary

Therophyte (annual land plant)



Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 12

Count of 10km squares in Ireland: 0

Count of 10km squares in the Channel Isles: 10

JNCC Designations