Here are some of our special H. acutiloba that don't have any stamens. This type is not very common but you can find them if you are lucky! This kind of Hepatica flower is called 'Otome-zaki' in Japanese Hepatica and is very popular among enthusiasts because of the clean look.
H. acutiloba without stamens (lavender), below
H. acutiloba without stamens (pink), below
These two plants are very similar, but as a breeder I can see a big potential outcome!
After the sepals fall out...
It is easy to miss this subtle fact, but this kind of small detail is the key to potentially being a candidate for a breeding plant.