Name: John Wagner Virginia Beach, VA (Zone 8a) I plant, I water, God makes it grow
OK, here are the pictures you requested. The way the stem of the leaves attach to the stem of the vine forms a sort of u shape and not completely round.
Growing tip:
Back side of leaf:
Where it attaches to the vine:
For God so loved the world that He gave His one and only Son, that whoever believes in Him shall not perish but have everlasting life... (John 3:16)