Two per spike. I'm thinking I might have underestimated the size of the flowers slightly. I just measured and they are actually about 5cm. Also this plant was severely neglected to flower size might improve now that it is getting better care.
---------- Post added at 01:27 PM ---------- Previous post was at 01:10 PM ----------
Comparison photo with my spectabilis var moreliana hybrid (4N). You can see why I thought it looked tiny LOL
---------- Post added at 01:29 PM ---------- Previous post was at 01:27 PM ----------
Just compared the resized image in that last photo and as it displays on my screen(apple Mac) that second pic is pretty spot on for life size for both of those.