I love flower names and think Iris and Violet are beautiful. Some others you might like are these, the meanings are for what the flower symbolises:
Aster - symbolises innocence, loyal love, daintiness and gentleness.
Buttercup - symbolises richness (and was the Princess in The Princess Bride).
Endine - symbolises frugallity.
Honeysuckle - symbolises a bond of love.
Jonquil - symbolises sympathy and affection returned.
Orchid - symbolises rare beauty and magnificence.
Liatris
Nerine
Peony - symbolises compassion and a happy marriage.
Snowdrop - symbolises hope.