"Lathyrus vernus"@en . . . . . . . . . . "Orobus vernus (L.)" . . "Lathyrus vernus syn. Orobus vernus (spring vetchling, spring pea, or spring vetch) is a species of flowering herbaceous perennial plant in the genus Lathyrus, native to forests of Europe and Siberia. It forms a dense clump of pointed leaves with purple flowers in spring, shading to a greenish-blue with age.This species and the cultivar 'Alboroseus' have gained the Royal Horticultural Society's Award of Garden Merit."@en .