Restharrow - Ononis repens

This plant used to annoy farmers by tangling up their harrows whilst they were ploughing. Hence its common name 'restharrow.' This flower is a member of the pea family and has distinctive leaves that appear to have a neat crease down their centre, almost if the leaf has been folded in half and then opened up again. The leaves have little teeth round their edge and can sometimes be covered in sticky hairs or glands. I found this flower growing in damp grassland by the side of a ditch