From what I can see of Pardancanda norrisii the alternate petals are much smaller, and the shape of them is more pointed.
http://www.thegardengeeks.com/...
I found one the same which somebody asks if it's Iris domestica rosea, there was no reply. Iris domestica is now the correct name for Belamcanda chinensis, the Plant List doesn't recognise 'rosea'.
http://www.hort.net/lists/iris...
http://www.theplantlist.org/tp...
There's a few different name varieties of Iris domestica but nothing on the RHS which fits, that doesn't mean it's not a variety of Iris domestica.
http://apps.rhs.org.uk/rhsplan...
many have been bred to have yellow, pink and purple varieties
http://www.plant-biology.com/B...
