Just followed the link (it didn't open for me at first and the name is the same
) mine look more like crazy dahlias
I can do these, not as well I hasten to add, but I can make them.
Willow or elder rod, 10 or 12mm diameter, cut to about 35 or 40cms long. Put one end firmly against your breastbone and the other against a fence post or a tree (I know someone who does it against his boot) and then take long fine curls, north, south, east and west. That'll leave you with four flat faces and eight corners. Curl down those eight corners to get back to four. Take those four and you ought to be about through to the pith. Snap the flower head off and use the pointed end of the stick to shove though the pith in the centre to make a stem.
Ta - ra, one gypsy rose
I know there are other ways of doing this, desil or widdershins only, more curls, six path and the like, but this is the one I know.
cheers,
Toddy