A new acquisition Cypripedium x 'Ulla Silkens' (C reginae x C flavum) Cypripedium flavum. This is the flower about 30 minutes after it arrived. I repotted (up-potted will minimal disturbance) and helped the plant with some staking. This one is not as spotty ( it is inside) or pink as some I have seen of this hybrid, it does display a lot of the C.flavum parent, but it's still quite attractive. The test now is how good will it be next year.
It's now located against a pretty well shaded NE facing wall.
Edit: Having taken a little more time to look at the flower and compare it to ones in habitat I have relabelled it as C. flavum. The pot was probably mislabelled iby the seller's supplier so I will forgive this error ( I also wanted to acquire a C. flavum so no harm is really done).