Last year I found this cream coloured (not white) Bush Vetch at Malpas in Monmouthshire and since have seen it in Co. Wexford in Ireland. The flowers start off cream and turn a pale orange with age. I came across a photo in 'The Wild Plants of Bere, Dursey, Whiddy and other Islands in Bantry Bay' (2013), John Akeroyd. In this booked it has a name Vicia sepium var. ochroleuca Bast. I would be very interested if anybody else has seen this colour form in Wales.