Iris is a genus of flowering plants, much appreciated for its many species, which bear very vivid color flowers. They are commonly referred to as lilies, although this term applies more properly to another type of flower. It is a flower very common in gardens. The term iris is shared, however, with other related botanical genera of the family Iridaceae. The term may also apply to a subdivision in this genus.
We can consider the following subgenera: Iris : with subterranean stem (rhizome ).
Limniris : also with rhizomes. Xiphium , sometimes considered as a genus apart Xiphion) , which is the main group of bulbous irises.
Nepalensis , sometimes considered as the genus, ; also bulbous.
Scorpiris , sometimes considered as the genus Juno ; also bulbous. Hermodactyloides , sometimes considered as the genus Iridodictyum , including the small species Iris reticulata i> and the like Iris germanica var.
The Iris genus has 280 species currently recognized.