I also tested the plant next to the diseased one but it tested negative. My test strips are rather old and I've been told I can trust a positive, but a negative might be a bit suspicious.
These are other plants in that garden. I don't know all the identities. I do know that I took one or two divisions of ' Jewel of the Nile', a 'Princess Anastasia' and a blue seedling (not pictured) from my own garden. Please do let me know what you think and also if you think any others are diseased.
This one may be 'Regal Splendor'. It's been at the church for awhile.
These MAY be 'Fortunei Aureomarginata'.
There are a couple of 'Undulata Univittata', one well on its way to 'Undulata Erromena'.
One that is probably 'Blue Cadet'
One that could be 'Krossa Regal' (or let me know what you think it could be.)
The ones that are 'Jewel of the Nile' and 'Princess Anastasia', but which is which?
And an unidentified green.