This is Chimo, a chimera hybridized by Greta Durand. The pinwheel striped flowers of the chimera cannot be duplicated by propagating from a leaf. In order to get chimera babies there are 3 methods which you can choose from.
Wait for the plant to sucker and then remove the suckers and root them in their own pots - this may take a long time if the plant does not like to produce suckers.
Chop off the top of the plant and wait for suckers to be produced -- of course you may not have the heart to ruin your beautiful chimera even if you will have replacements from the suckers.
Pot up fresh mature bloomstalks which will have a high success rate at producing chimera duplicates.