Flowers have a specific meaning when given as gifts. Each type of flower has it's own meaning or emotion. Floriography is the name of this science, the silent language of flowers. Many lists are on the net here are a few links.

http://aboutflowers.com/images/stories/Florist/languageofflowers-flowerdictionary.pdf

http://www.fromyouflowers.com/flower-resource/meaning-of-flowers.htm

http://www.proflowers.com/blog/flower-meanings


A great resource when that unique image or theme is needed.

Give yourself a bouquet of inspiration and nose around the lists.