A full list: Sandersonia, Marigold, Ran ("orchid"), Rindo ("Japanese gentian"), Daisy, Cosmos, Blue Fan, Sweet Pea, Marguerite, Aphelandra, Gloriosa, Kikyo ("Chinese bellflower"), Belladonna ("nightshade"), Kiku ("Chrysanthemum"), Poppy, Pansy, Shion ("aster"), Enishida ("broom") and Nerine.
Sensui is an anagram of "suisen", meaning daffodil, while Itsuki means "flowering tree".
"Anthy" is a Greek name meaning "flower".