Thlaspi perfoliatum

Tracheophyta MagnoliopsidaBrassicaceaeThlaspiThlaspi perfoliatum


An annual of bare or sparsely vegetated habitats on oolitic limestone, found on screes, stony banks and open pastures; also found in old quarries and on broken rocks. Elsewhere it is usually a casual of waste places, although populations have persisted on railway embankments. Lowland.



World Distribution

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

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 4

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 2

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.3

July Mean Temperature (Celsius): 16

Annual Precipitation (mm): 732

Height (cm): 17

Perennation - primary


Life Form - primary

Therophyte (annual land plant)



Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 9

Count of 10km squares in Ireland: 0

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.94

Plantatt Conservation Status


JNCC Designations


Atlas text references

Atlas (40a)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1996)
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.
Lambrick et al (1998)
Wigginton MJ
1999.  British Red Data Books. 1. Vascular plants, edn 3.