You guys know how these work. Narrow down until you have one name, which is the winner. Names are taken from Nameberry's 'Flower Names For Girls' list.
Acacia or Amaryllis
Aster or Azalea
Blossom or Bluebell
Bryony or Calla
Camellia or Clover
Daffodil or Dahlia
Daisy or Delphine
Fleur or Flora
Gardenia or Garland
Heather or Hyacinth
Ianthe or Iris
Ivy or Jacinta
Jasmine or Jonquil
Leilani or Lilac
Lily or Linnea
Lotus or Magnolia
Marguerite or Marigold
Orchid or Pansy
Peony or Petal
Petunia or Poppy
Posey or Primrose
Rose or Senna
Tulip or Violet
Zahara or Zinnia