In article , Sacha
writes

Do you know, that did pass through my mind and straight out the other
side because I could imagine a nursery or gc shortening it to Erys



There's Erysimum perofskianum 'Gold Shot'
which is about the nearest.
There's a site with a list of varieties

http://www.oakcottage.org.uk/eris/031a.html

Janet

--
Janet Tweedy
Dalmatian Telegraph
http://www.lancedal.demon.co.uk