Good eye Bree!
Yes, C. Chocolate Drop is one of its parent, Blc Painter's Brush the other. They always bloom at the same time too for me.
http://apps.rhs.org.uk/horticu...
Janice, there is a small basket in there, totally overgrown and the medium is surely gone by now.
To see the progression, here is the plant in February 2003 (when I got it from Parkside)
and in May 2005