Stool iris (Iris aphylla ) flower. Note prominent white "beard".
Iris reichenbachii
Iris tigridia from Russia
Bearded rhizomatous irises
Section Iris
Nazareth Iris , Iris bismarckiana
Iris arenaria (formerly Iris humilis subsp arenaria )
Section Oncocyclus
Section Hexapogon
Section Psammiris
Section Pseudoregelia
Section Regelia
Beardless rhizomatous irises
It has been generally divided into 2 sections , 'Limniris', which is further divided down to about 16 series and 'Lophiris' (also known as 'Evansias' or crested iris.[ 1]
Japanese Iris (Iris ensata ) or hanashōbu , cv. 'Kumoinogan'
Iris graminea
Yellow-banded Iris, Iris orientalis
Blood Iris (Iris sanguinea ) or ayame
Section Limniris (listed in alphabetical order)
Series Californicae Pacific Coast irises
Series Chinenses (from east Asia)
Series Ensatae
Series Foetidissimae
Series Hexagonae
(known as the Louisiana irises)
Series Laevigatae
(which includes the Japanese irises )
Series Longipetalae
(Rocky Mountain or long-petaled iris)
Series Prismaticae
(contains just one species from America)
Series Ruthenicae
Series Sibiricae
(Siberian irises)
Series Spuriae
Series Syriacae
(species with swollen leaf bases and spiny bristles)
Series Tenuifoliae
(mostly semi-desert plants)
Series Tripetalae
(mostly having three petals)
Series Unguiculares
Series Vernae
(contains just one species from America)
Iris wattii
Section Lophiris
Section Unguiculares
Unplaced hybrids
Smooth-bulbed bulbous irises . Formerly genus Xiphion .
Yellow Spanish Iris , Iris xiphium var. lusitanica
Section Xiphium
Bulbous irises. Formerly genus Junopsis .
Section Nepalensis
Smooth-bulbed bulbous irises known as "junos". Formerly genus Juno .
Iris palaestina
Iris regis-uzziae in Israel
Section Scorpiris
See more species listed in 'Scorpiris' subgenus.
Iris reticulata
Reticulate-bulbed bulbous irises. Formerly genus Iridodictyum .
Section Hermodactyloides
Subgenus Pardanthopsis
Source:[ 3]
Iris dichotoma Pall. (Vesper iris) (was formerly Pardanthopsis )
Iris domestica (commonly known as blackberry lily, was once Belamcanda chinensis , but since 2005 now known as Iris domestica )[ 4]
References
Iris subgenera Common names Breeding and research Products Gardens and festivals Organizations Iris in art and culture