Cunningham's Encyclopedia of Magical Herbs - Scott Cunningham 1985
Iris
The Herbs
(Iris florentina, I. spp.) Some species
should not be used internally.
Gender: Feminine
Planet: Venus
Element: Water
Deities: Iris, Juno
Powers: Purification, Wisdom
Magical Uses: The iris, one of the loveliest of flowers, has been used for purification since Roman times. The fresh flowers are placed in the area to be cleansed.
The three points of its flower symbolize faith, wisdom and valour, and so can be used to induce these qualities.