Iris (plant)

Iris is a genus of 260–300 species of flowering plants with showy flowers. It takes its name from the Greek word for a rainbow. This refers to the wide variety of flower colors found among the many species. The scientific name, "iris" is also very widely used as a common name for all "Iris" species, as well as some belonging to other closely related genera. It is a member of the Iridaceae family It is a popular garden flower.
Description.
Irises are hardy plants (able to survive outside during winter) that are easy to grow. They attract butterflies and hummingbirds. Irises are a favorite cut flower. The bearded irises ("Iris germanica") is the tallest at about . Irises generally have three large sepals on the outside called "falls". They have three inner petals called "standards". Irises that are called bearded are because of soft hairs growing in the center. Irises that are called combed have a ridge of hairs in the center. A common name for some species is 'flags'. Plants of the subgenus "Scorpiris" are widely known as 'junos', particularly in horticulture. 
Historical information.
Iris flowers have been known to man since ancient times. On the island of Crete, a fresco on the wall of the Palace of Knossos depicts a priest surrounded by blooming irises. This mural is about 4,000 years old.
References.
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