Vicia Orobus is a type of flowering plant that is commonly known as Bitter Vetch or Sand Vetch. Synonyms for this plant include Horse Bean, Ervum Orobus, Lathyrus Orobus, and Orobus Tuberosus. Bitter Vetch is a hardy plant that grows in a wide range of climates and soil types. It is often used as a cover crop, as it helps to maintain soil structure and prevent erosion. In addition, Bitter Vetch is also used as a forage crop for livestock, and its seeds can be harvested and used as animal feed. Overall, Bitter Vetch is a versatile plant with many uses and synonyms.