Lathyrus japonicus (common names Sea Pea, Beach Pea, Circumpolar Pea, Sea Vetchling) is a legume native to temperate coastal areas of Asia, Europe, North and South America. It is a herbaceous perennial plant growing trailing stems to 50-80 centimeter long, typically on sand and gravel storm beaches. The leaves are waxy waxy pale green, 5-10 centimeter long, pinnate, with 2-5 pairs of leaflets, the terminal leaflet usually replaced by a twining tendril. The flowers are 14-22 millimeter broad, with a dark purple standard petal and paler purple wing and keel petals; they are produced in racemes of 2-7 together.
Lathyrus japonicus
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