ALTERNATIVE STRATEGY. “Petals of unopened daylily (Hemerocallis sp.) flowers, in contrast, contained no starch but a high concentration of fructan, an oligosaccharide with a high number of fructose monomers. Upon flower opening, fructan was rapidly degraded. Fructan also accumulated in the petals of Phipssia algida and Campanula rapunculoides, prior to opening.”
http://jxb.oxfordjournals.org/content/54/389/1801.full