I'll try to get more photos. My photo may be a little deceiving as they do have a cupped habit. I found a photo online of what's probably the exact same thing , also growing on the Mississippi River levee ( just doesn't say where). http://www.pbase.com/septembermorn/image/50014748/ Tim Chapman On Sep 9, 2012, at 10:38 AM, Tony Avent <Tony@plantdelights.com> wrote: > Tim: > > Z. citrina has cupped flowers and much shorter petals. Z. flavissima has longer petals that are slightly wavy. Perhaps the photos in our rain lily study gallery will help. Z. citrina certainly does naturalize quite well. > http://gallery.plantdelights.com/v/… > >