Vicia tetrasperma

Vicia tetrasperma (syn. Ervum tetraspermum) the smooth tare, smooth vetch, lentil vetch or sparrow vetch, is a species of flowering plant in the bean family Fabaceae.

Description
Vicia tetrasperma is an annual plant growing up to 60 cm tall. The leaflets are 10 to 20 mm 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 4 mm long. Four seeds are produced in a pod 12 to 15 mm long. The pod is dehiscent.

Distribution
This 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.

Habitat
Grassy places, local.