Definition of narrow-leaved everlasting pea in US English:

narrow-leaved everlasting pea

noun

  • A European vetchling, Lathyrus sylvestris, of hedges and wood borders, especially on chalk and limestone, which has narrower leaves and duller flowers than L. latifolius (the everlasting pea grown in gardens).

Origin

Mid 19th century; earliest use found in History of the Berwickshire Naturalists' Club.