Tuberous Pea
Scientific name: Lathyrus tuberosus L.
Diagnostic features Climbing perennial to 1.2m. Stems not winged. Leaflets 1 pair, elliptic to narrowly obovate. Tendrils branched. Flowers 2-7, 12-20mm, reddish-purple.
Chromosome number: 2n=14.
Habitat Introduced-naturalized; cornfields, hedgerows and roadsides.
Distribution Naturalized in North Essex since 1859, scattered throughout Britain North to Central Scotland but casual or shortly persisting only in most places; Europe.
This species is keyed out on Page 2880 in the Text Key. |