When looking through the 802 "Iris" images at Acclaim Images.com this A Blue Iris with a Soft Green Background and Raindrops was a favorite.
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Description:
A Blue Iris with a Soft Green Background and Raindrops
Stock photo of a blue iris against a soft green background with distant blue irises and a few raindrops on the petals.

Some related terms for more images:
irises,  drop,  raindrop,  iris flowers,  blue,  flora,  blue flower,  garden,  studio 33 photography,  blue irises,  blue flowers,  perrenials,  blooms,  raindrops,  floral,  florals,  botanical,  botany,  blossom,