Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated April 2019. Scientific name: Vicia tetrasperma (L.) Schreb. Common name(s): slender vetch, lentil vetch, sparrow vetch, smooth vetch, smooth tare, four seeded vetch Link(s): USDA PLANTS Profile, Go Botany Images: (to see enlargements [PC]: click on image, then right click and choose