Bitter vetch

Bitter vetch is a common name for several plants and may refer to:


 * Vicia ervilia, called bitter vetch or ervil, an ancient grain legume crop of the Mediterranean region.
 * Vicia orobus, called wood-bitter vetch, a legume found in Atlantic areas of Europe.
 * Lathyrus linifolius, called bitter vetch or heath pea, a species of pea.
 * Lathyrus niger, called black bitter vetch or black pea, a perennial legume native to Europe.