Lathyrus quinquenervius

Lathyrus quinquenervius, commonly known as the Amur pea or Manchurian bird's-foot trefoil, is a perennial legume native to regions including Amur, Buryatiya, China (North-Central, South-Central, and Southeast), Chita, Inner Mongolia, Japan, Khabarovsk, Korea, Manchuria, Mongolia, Myanmar, Primorye, Qinghai, and West Siberia. This plant thrives in moist to wet conditions with light soil that can be sandy, medium, or clayey, reaching a height of 0.6 meters. It is valued for its edible leaves and seeds, making it a useful addition to gardens and agricultural settings. The distinctive features of Lathyrus quinquenervius include five-lobed leaflets, which are a key identification cue. This plant also serves as a nitrogen fixer, enhancing soil fertility and making it beneficial in various growing contexts. Its leaves can be eaten fresh or cooked, while the seeds are typically dried before use in culinary applications. While Lathyrus quinquenervius is not known for medicinal properties, its edible and ornamental value makes it an important plant in regions where it naturally occurs. Cultivation of this plant should be approached with caution to ensure it does not become invasive or outcompete native species.