I tracked down the reverting 'Brazil' vine and cut it off to get a good look at it. In the purple circle is a juncture where it looks like the lime leaves are a side branch from the main stem. In the red circle is what I think is the first, oldest plain lime color leaf. It's oddly-shaped. Funky!
'Black Cardinal' has a bud again! On the L here:
Closer view, bud on the R. I ripped off most of the sheath of the new, unrolled leaf because there were too many things sticking up, wasn't getting a non-confusing pic :
