Lathyrus latifolius is a species of perennial herbaceous vine that is commonly known as perennial sweet pea. The plant is native to Europe and Asia, and it is widely grown for its attractive flowers and fragrant scent. Lathyrus latifolius belongs to the family Fabaceae, and its plant parts are rich in alkaloids, flavonoids, and saponins that have medicinal value. Some synonyms for Lathyrus latifolius include pale sweet pea, evergreen sweet pea, broad-leaved everlasting-pea, and perennial pea. Other common names for the plant include wild sweet pea, everlasting pea, and climbing sweet pea. It is a popular garden plant that is grown for its ornamental value and as a source of herbal remedies.