Vicia tetraspermaVicia tetrasperma the smooth tare, smooth vetch, lentil vetch or sparrow vetch, is a species of flowering plant in the bean family Fabaceae.DescriptionVicia tetrasperma is an annual plant growing up to tall. The leaflets are and are in four to six pairs, the leaf ending with a simple tendril. The pale blue flowers are in racemes of one or two flowers, each about long. Four seeds are produced in a pod long. The pod is dehiscent.DistributionThis vetch is native to Europe, Asia, and North Africa, and it can be found on other continents as an introduced species. It can be invasive.HabitatGrassy places, local.