Marsh Pea
Scientific name: Lathyrus palustris L.
Diagnostic features Climbing perennial to 1.2m. Stems winged. Leaflets 2-3(5) pairs, narrowly elliptic-oblong. Tendrils branched. Flowers 2-6(8), 12-20mm, purplish-blue.
Chromosome number: 2n=42.
Habitat Native; fens and tall damp grassland.
Distribution Very locally scattered in England, Wales, Southwest Scotland and Ireland, mainly East Anglia, decreasing.
This species is keyed out on Page 2877 in the Text Key. |