elsbeth's list "Flower Names for Girls" of 20 great name ideas: Clivia - Eucharis!

Flower Names for Girls

Clivia

Cleome

Calluna

Bergenia

Heliconia

Liatris

Safflower

Your zany neighbor, the one who's a potter and has five cats. 

Malva

Calamintha

Camassia

Not as well known as Calla Lilies, the Canna Lily is a tropical plant with large leaves and showy flowers; there was a 6th century Welsh Saint Canna, and it's also the name of a Scottish island.