Grass Vetchling, also known as Lathyrus nissolia, is a flowering plant that belongs to the pea family. It is a small plant that grows up to 30 centimeters tall, with long thin leaves and small purple flowers that bloom in the summer. There are several synonyms for Grass Vetchling, such as the Narrow-leaved Everlasting-pea, the Nissolia Vetch and the Grass Whitlow-grass. These synonyms help to clarify the identity of the plant and make it easier to understand for botanists, gardeners and nature enthusiasts alike. Whether you are studying the plant or simply appreciate its delicate beauty, knowing these synonyms can enhance your appreciation of this lovely plant.