Lathyrus tuberosus

Tracheophyta MagnoliopsidaFabaceaeLathyrusLathyrus tuberosus


A scrambling perennial herb of hedgerows, rough grassland and waste places; also occasionally found in arable field margins where its tubers allow it to persist. Lowland.



World Distribution

A Eurosiberian Temperate species, absent as a native from much of W. Europe.

Broad Habitats

Boundary and linear features (eg hedges, roadsides, walls)

Light (Ellenberg): 6

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 6

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.8

July Mean Temperature (Celsius): 16

Annual Precipitation (mm): 776

Height (cm): 120

Perennation - primary


Life Form - primary

Non-bulbous geophyte (rhizome, corm or tuber)

Comment on Life Form

"geoo (Aesch & Burdet, 1994)"



Clonality - primary

Rhizome far-creeping

Comment on Clonality

Clonal in Clopla1; signified as a geophyte by Aeschiman & Burdet (1994)

Count of 10km squares in Great Britain: 186

Count of 10km squares in Ireland: 1

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.99

JNCC Designations