Iris setina

{{short description|Species of plant}}

{{Speciesbox

|image =

|parent = Iris subg. Iris

|taxon = Iris setina

|authority = Colas.

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Iris setina, the iris of Sezze, is a species in the genus Iris, it is also in the subgenus of Iris. It is a rhizomatous perennial, from a small region in Italy.It has glaucous sword-like leaves, slender branched stem, and one or two violet toned flowers. It is not yet cultivated as an ornamental plant in temperate regions.

Description

It is similar in form to Iris germanica.{{cite web |first=Alain |last=Franco |title=(SPEC) Iris setina Colas. |date=24 December 2014 |url=http://wiki.irises.org/bin/view/Spec/SpecSetina |publisher=wiki.irises.org (American Iris Society) |access-date=5 January 2016}}

It has evergreen, glaucous and smooth leaves. Most are ensiform (sword-like) but a few are falcate (sickle-shaped). They can grow up to {{convert|40|cm|0|abbr=on}} long and around 3 cm wide, although the leaves at the stem base are smaller.

It has a slender stem or peduncle, that can grow between {{convert|11|and|50|cm|0|abbr=on}} tall.{{cite web |title=Iris summary |date=14 April 2014 |url=http://www.pacificbulbsociety.org/pbswiki/files/Iris/Iris_Summary.pdf |publisher=pacificbulbsociety.org |access-date=23 November 2014}}{{cite web |first=D. |last=Kramb |title=Iris setina |date=5 September 2004 |url=http://www.signa.org/index.pl?Iris-setina |publisher=signa.org (Species Iris Group of North America) |access-date=5 January 2016}} They normally have 2 branches, the lowest branch is about {{convert|11|-|14|cm|0|abbr=on}} long. The branches have one small, narrow stem leaf, around {{convert|7|-|10|cm|0|abbr=on}} long.

The upper branch has a slightly inflated spathes (leaves of the flower bud), which are slightly violet stained or marked.

The stems (and branches) hold between 1 and 2 terminal flowers, blooming between February and early March.

The flowers come in shades of violet, or violet-purple. Like other irises, it has 2 pairs of petals, 3 large sepals (outer petals), known as the 'falls' and 3 inner, smaller petals (or tepals), known as the 'standards'.{{cite book |first=Claire |last=Austin |title=Irises; A Garden Encyclopedia |year=2005 |publisher=Timber Press |isbn=0881927309}}{{rp|17}} Some flowers are bi-toned, with the falls darker than standards.

After the iris has flowered, it produces a seed capsule, which has not yet been described.

=Biochemistry=

As most irises are diploid, having two sets of chromosomes, this can be used to identify hybrids and classification of groupings.{{rp|18}}

In 1993, Colasante & Saur (in Linzer biol. Beitr. Vol.25, Issue2 on page 1189) stated that Iris setina could be regarded as an allopolyploid and theorise that it may have derived from other bearded dwarf species such as Iris pseudopumila Tineo and Iris pallida Lam.

It also has a chromosome count of 2n=40, which is the same as Iris bicapitata, Iris relicta, Iris lutescens and Iris revoluta.{{cite journal |last=Colasante |first=M. |last2=Vosa |first2=C.G. |date=2000 |title=Iris:Allocyclic segments as Chromosome markers? |url=http://bib03.caspur.it/ojspadis/index.php/Annalidibotanica/article/viewFile/9071/9011 |journal=Annali di Botanica |volume=58 |pages=127–134 |access-date=28 October 2015 }}{{Dead link|date=January 2020 |bot=InternetArchiveBot |fix-attempted=yes }}

Taxonomy

The Latin specific epithet setina refers to 'Setia',{{cite journal |last=Peruzzi |first=Lorenzo |last2=Domina |first2=Gianniantonio |last3=Bartolucci |first3=Fabrizio |last4=Galasso |first4=Gabriele |last5=Peccenini |first5=Simonetta |last6=Raimondo |first6=Francesco M. |last7=Albano |first7=Antonella |last8=Alessandrini |first8=Alessandro |last9=Banfi |first9=Enrico |last10=Barberis |first10=Giuseppina |last11=Bernardo |first11=Liliana |last12=Bovio |first12=Maurizio |last13=Brullo |first13=Salvatore |last14=Brundu |first14=Giuseppe |last15=Brunu |first15=Antonello |last16=Camarda |first16=Ignazio |last17=Carta |first17=Luisa |last18=Conti |first18=Fabio |last19=Croce |first19=Antonio |last20=Iamonico |first20=Duilio |last21=Iberite |first21=Mauro |last22=Iiriti |first22=Gianluca |last23=Longo |first23=Daniela |last24=Marsili |first24=Stefano |last25=Medagli |first25=Pietro |last26=Pistarino |first26=Annalaura |last27=Salmeri |first27=Cristina |last28=Santangelo |first28=Annalisa |last29=Scassellati |first29=Elisabetta |last30=Selvi |first30=Federico |last31=Soldano |first31=Adriano |last32=Stinca |first32=Adriano |last33=Villani |first33=Mariacristina |last34=Wagensommer |first34=Robert P. |last35=Passalacqua |first35=Nicodemo G. |date=30 January 2015 |title=An inventory of the names of vascular plants endemic to Italy, their loci classici and types |journal=Phytotaxa |publisher=Magnolia Press |volume=196 |issue=1 |pages=107 |doi=10.11646/phytotaxa.196.1.1 |doi-access=free |hdl=10447/196152 |hdl-access=free }} which is an old form of Sezze,{{cite web |first=Richard |last=Stillwell |first2=William L. |last2=MacDonald |first3=Marian |last3=Holland |title=SETIA (Sezze) Italy. |url=https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.04.0006:entry=setia |publisher=perseus.tfts.edu (The Princeton Encyclopedia of Classical Sites) |access-date=26 January 2016}} a town in the region of Latium (which is now Lazio, one of the administrative regions of Italy).

In 1958, Professor Ignazio Ricci (1922–1986),{{cite web |title=Ricci, Ignazio (1922–1986) |url=http://www.ipni.org/ipni/idAuthorSearch.do?id=8343-1 |publisher=ipni.org |access-date=26 January 2016}} found the iris on Monte Trevi (near the town of Sezze) in Latium, south of Rome. He then reported and published the discovery in 'Annali Botanica' (Roma) Vol.26 (Issue 1) on pages 43–49, as being different to forms of Iris germanica L.

Then on 15 February 1974, more specimens of the iris were found on the Monte Trevi and then sent to Maretta Colasante, who named the iris as Iris setina and then described and published it in Giornale Botanico Italiano (Giorn. Bot. Ital.) Vol.120 (1–2) Supplement 1 on page 112 on 30 September 1989.{{cite web |title=Iridaceae Iris setina Colas. |url=http://www.ipni.org/ipni/idPlantNameSearch.do?id=77092967-1 |publisher=ipni.org (International Plant Names Index) |access-date=5 January 2016}}

It was then published in Bulletin of the American Iris Society Vol.292 on pages 82–85 in January 1994.

It is listed in the Encyclopedia of Life,{{cite web |title=Iris setina |url=http://eol.org/pages/31189350/details |publisher=eol.org |access-date=5 January 2016}} and is listed on the Catalogue of Life,{{cite web |title=Iris setina Colas. |url=http://www.catalogueoflife.org/col/details/species/id/defd2c64fca3aacfa83c1dd5368266bf |publisher=catalogueoflife.org |access-date=5 January 2016}} but has not yet been assessed for the IUCN Red List as of October 2015.{{cite web |title=Search |url=http://www.iucnredlist.org/search |publisher=iucnredlist.org |access-date=16 October 2015}}

Distribution and habitat

It is native to Europe.

=Range=

It is found near the town of Sezze, within the region of Latina, in Italy.

=Propagation=

Irises can generally be propagated by division,{{cite web |title=How to divide iris rhizomes |url=http://www.gardenersworld.com/how-to/projects/propagating/how-to-divide-iris-rhizomes/169.html |publisher=gardenersworld.com |access-date=12 October 2015}} or by seed growing.

Toxicity

Like many other irises, most parts of the plant are poisonous (rhizome and leaves), and if mistakenly ingested can cause stomach pains and vomiting. Handling the plant may cause skin irritation or an allergic reaction.David G Spoerke and Susan C. Smolinske{{Google books|a7-f66fRfzQC|Toxicity of Houseplants|page=236}}

References

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