This 4 Iron example might help.
No one called the alternee 'leaves' (the rods in this example had 24) and I got the 'scrolls' from Dr. Gaddy, but it does help in describing the pattern
The ribband edge welds are straight and the rod-rod 'zipper' welds (best seen in the middle scroll) are wavy

[Linked Image from photos.smugmug.com]

Pattern interpretation
https://docs.google.com/document/d/1zMmG-80ZUWwiLDbjBNk-wiOdDxKrhQL6jMNs5L2XVfc/edit