Morning Glory

Well, this is an interesting one...definitely NOT I.hederacea at all... What it is , is something in series batatas (which I automatically recognize) although sepals are visible in the 2nd photo on the left portion of the photo...and they are I.batatas type... I think this is possibly 3 species : 1) Ipomoea lacunosa 2) Ipomoea x leucantha 3) Ipomoea cordatotriloba I would very much like see large clear macro photos of the seeds by which I can rule out some of the species and to obtain some seeds for further study...