Vicia freyniana Bornm.subsp. gigantean (gigantic wild vetch), which has been collected from Karakoçan district (Elazığ-Türkiye), has been defined as new subspecies for the scientific world. New subspecies; it differs from the typical subspecies primarily in terms of indumentum characteristics, large plant size, leaf and leaflet sizes, inflorescence features, inflorescence/leaf length ratio, flower parts and seed sizes.Vicia freyniana Bornm. subsp. gigantea grows mostly in oak forest shades and sometimes in oak forest openings. This newly defined subspecies; description, ecological preferences, distribution map and photographs were given.