By mark d olson (Mdolson) on Friday, July 18, 2014 - 10:32 am:
Beach Pea (Lathyrus japonicus)
Seeds
Habitat: Coastlines, gravelly shores, beaches, east and west coasts of Northern America.
Description: Trailing perennial, arrow shaped stipules, pink to lavender pea like flowers, stalk less seed pods, seed pods similar to garden peas but smaller, leaves terminate with curled tendrils.
Harvest: Flowers June-Aug, Harvest when younger bright green pea pods form.
Dangers: Only experienced foragers should identify the plant because other members of the pea (i.e. Ocean Peas) family are poisonous and have cause death in the past.
Preparation: Highly nutritious, cook like any other pea; young peas are best, as they become dry and tasteless as they age,; if you can pinch through pod with your fingernail then they can be eaten whole.