Iris subg. Iris

Iris subg. Iris
	Purple bearded iris
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Iridaceae
Subfamily:	Iridoideae
Tribe:	Irideae
Genus:	Iris
Subgenus:	Iris subg. Iris; B.Mathew

Subgenus Iris is one subgenus of Iris.

Iris as a plant was originally named by Carl Linnaeus in his book Systema Naturae (in 1735), with a great number of species being added into the genus. Including new ones that were found after the book's publication. The division of irises into various subgroups, has taken various forms over the years. By the 19th century botanists had created new genera such as Evansia, Hermodactylus, Moraea, Oncocyclus, and Xiphion. Opinion was often divided whether to split the genus into several parts or lump them back into Iris. From J. G. Baker, who separated some such as Moraea and Xiphion from Iris in his book 'Handbook of the Irideae' (published in London) in 1892. Then William R. Dykes, who clarified the situation by a compromise in his monograph The Genus Iris (by Cambridge University Press, 1913; later reprinted in 1974 by Dover). He was the first to term the subgroup as Iris sect. Iris. G. Rodionenko [ru]'s 1961 reclassification in The Genus Iris (written in Russian, Moscow, 1961) was more comprehensive in that he split the genus into five genera: Iris (which included all rhizomatous irises).^[1] A taxonomic revision by Brian Mathew in 1981 (The iris, New York: Universe Books), recognized six subgenera: Nepalensis Dykes, Xiphium (Miller) Spach, Scorpiris Spach, Hermodactyloides Spach, Iris L. and Limniris Tausch.^[2] Recently, DNA analysis has been used to determine groupings.^[3]

The Iris subgenus has been divided into six sections; bearded irises (or pogon irises), Psammiris, Oncocyclus, Regelia, Hexapogon and Pseudoregelia. Sections Oncocyclus and Regelia are also called aril irises.

^ "The Genus Iris". mathcs.clarku.edu. Retrieved 29 July 2021.
^ Stebbings, Geoff (1997). The Gardener's Guide to Growing Irises. Newton Abbot: David and Charles. p. 18. ISBN 0-7153-0539-5.
^ Samad, Nour Abdel; Dagher-Kharrat, Magda Bou; Hidalgo, Oriane; El Zein, Rana; Douaihy, Bouchra; Siljak-Yakovlev, Sonja (15 August 2016). "Unlocking the Karyological and Cytogenetic Diversity of Iris from Lebanon: Oncocyclus Section Shows a Distinctive Profile and Relative Stasis during Its Continental Radiation". PLOS ONE. 11 (8): e0160816. Bibcode:2016PLoSO..1160816A. doi:10.1371/journal.pone.0160816. PMC 4985135.

[1] "The Genus Iris". mathcs.clarku.edu. Retrieved 29 July 2021.

[stebbings-2] Stebbings, Geoff (1997). The Gardener's Guide to Growing Irises. Newton Abbot: David and Charles. p. 18. ISBN 0-7153-0539-5.

[3] Samad, Nour Abdel; Dagher-Kharrat, Magda Bou; Hidalgo, Oriane; El Zein, Rana; Douaihy, Bouchra; Siljak-Yakovlev, Sonja (15 August 2016). "Unlocking the Karyological and Cytogenetic Diversity of Iris from Lebanon: Oncocyclus Section Shows a Distinctive Profile and Relative Stasis during Its Continental Radiation". PLOS ONE. 11 (8): e0160816. Bibcode:2016PLoSO..1160816A. doi:10.1371/journal.pone.0160816. PMC 4985135.

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