Vetchling n. : Any small leguminous plant of the genus Lathyrus, especially L. Nissolia.

Example:


Taxonomy
Lathyrus pratensis, Meadow vetchling, flower, free encyclopedia, plant, Search, Faboideae, Meadow pea, species, Fabales, Fabaceae, Genus Lathyrus, Bee, hermaphrodite flowers, Binomial nomenclature, Biological classification, Carolus Linnaeus, Dicotyledon.

Defination from the web:
Vetchling. Lathyrus pratensis or Meadow vetchling, also known as the Meadow Pea and Meadow pea-vine, is a perennial legume that grows to 1.2 ... The Meadow vetchling is native to Europe and Asia, but has been introduced to other parts of the world. ...