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Iris aphylla subsp. hungarica

Iris aphylla subsp. hungarica (also known as steppe iris) is a plant subspecies in the genus Iris, it is also in the subgenus Iris. It is a subspecies of Iris aphylla. It is a rhizomatous perennial, from the Carpathian Mountains and Pannonian Basin. Found within the countries of Romania, Hungary, Slovakia, Ukraine, Moldova, and Italy. It has curved, pointed, thin leaves, slender stem, several large flowers in shades of purple, or dark purple, or violet-blue. It is a rare plant, that is protected by environmental law in the various countries of Europe.

Iris aphylla subsp. hungarica
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Iridaceae
Genus: Iris
Species:
I. aphylla
Subspecies:
I. a. subsp. hungarica
Trinomial name
Iris aphylla subsp. hungarica
(Waldst. & Kit.) Helgi

Description

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Iris aphylla subsp. hungarica is very similar in form to Iris aphylla but it is slightly shorter than Iris germanica (a commonly cultivated garden iris), but which it is very closely related.[1]

It has short, tuberous rhizome,[2] that is 18–22 mm in diameter.[3]

It has basal leaves (rising from the rhizome), that are curved,[4] acuminate (pointed) and 1–3 cm wide.[3][4] They are slightly smaller than Iris aphylla,[5] and shorter than the flowering stem.[2] They have 5–6 ribs,[3] and curve outwards.[4]

It has a slender stem, that can grow up to between 10–30 cm (4–12 in) tall,[2][3][4]

The stem has green, (scarious) membranous, spathes (leaves of the flower bud), which have a reddish edge.[4]

The stems hold 1–5 terminal (top of stem) flowers,[1][2][4] blooming between March to May[2][4] or between May and June.[3] It can often the second bloom time between August and September.[3]

The flower bud leans slightly before flowering in Iris aphylla subsp. hungarica as compared to Iris aphylla, in which the stem is straight.[6]

The large flowers,[1] come in shades of purple,[1] or dark purple,[3] or violet-blue.[2]

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'.[7]: 17  The falls are ovate and elongated,[2][3] and 2–3 cm wide.[4] In the centre of the petal, white beards with orange tops.[1] The standards are elongated an ovoid, and 3 cm wide.[2]

After the iris has flowered, it produces a capsule,[4] that is triangular, capsule,[2][3] which is 4–5 mm long and 3 mm wide.[3] The capsule contains elongated ovoid seeds.[3]

Genetics

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In 2010, a cytotype study was carried out on Iris aphylla, using karyotype and AFLP data analysis. It concluded that Iris aphylla subsp. hungarica was a separate species to Iris aphylla.[6]

In 2014, a study was carried out on the foliage and rhizomes of the iris, it found several constituents and terpenoids (organic compounds), including phenylacetaldehyde, eugenol, and lauric acid.[8]

As most irises are diploid, having two sets of chromosomes, this can be used to identify hybrids and classification of groupings.[7]: 18  It has been counted twice, 2n=48 (as Iris aphylla subsp. hungarica) in 1983, by Murín A. & Májovský J., Karyological study of Slovakian flora IV. – Acta Fac. Rerum Nat. Univ. Comen., Bot. 30: 1–16.[9] Also 2n=44 (as Iris hungarica Waldst. & Kit.) in 1990 by Zakharjeva, O. I., Numeri Chromosomatum Magnoliophytorum Florae URSS, Aceraceae—Menyanthaceae. Nauka, Leninopoli.[9]

Taxonomy

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Iris aphylla subsp. hungarica from UMCS Botanical Garden in Lublin, Poland

It has the common names of Hungarian leafless iris,[2] or Hungarian Iris,[4][10] or Iris steppe.[1]

The Latin subspecies specific epithet hungarica refers to Hungary,[11] where the iris was originally found.

It was first published and described as Iris hungarica by Waldstein & Kitaibel in 'Descriptiones et icônes plantarum rariorum Hungáriáé'(Descr. Icon. Pl. Hung.) Vol.3 page 251 between 1806 and 1812.[12][13][14] In 1909, Iris aphylla subsp. hungarica was published by Gustav Hegi in 'Ill Fl. Mitteleur' Vol.2 page 289.[15] Both were then de-classified as a synonyms of Iris aphylla.[16] Later, Iris aphylla subsp. hungarica was re-classified as a subspecies of Iris aphylla.[6][14]

It has not been verified by United States Department of Agriculture and the Agricultural Research Service, as of 2 September 2015.

It has not been recognized as a subspecies by Plant list, as of 4 September 2015.

It is listed in the Encyclopedia of Life.[17]

Iris aphylla subsp. hungarica is an accepted name by the RHS.[18]

Distribution and habitat

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Iris aphylla subsp. hungarica is native to south east Europe.[18]

Range

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It is found in the Carpathian Mountains,[19][20] on the Pontic–Caspian steppe,[1] and Pannonian Basin.[2][21] Also along the foothills of the river Bodrog (in eastern Slovakia and north-eastern Hungary).[22]

Within the countries of Hungary,[6] (within the Zemplén Mountains,[14] near the village of Szendrőlád,[14] and Nyírség,[14][23]), Slovakia (or Slovak Republic),[6][10][14] Ukraine (within the Cherkassy region,[24]),[14] Moldova,[1] Romania,[14][25][26] (including Transylvania,[1]) and Italy.[27]

It is not found in the Czech Republic.[2]

It is listed in a checklist of Vascular Flora in Italy, with Iris albicans, Iris bicapitata, Iris foetidissima, Iris germanica, Iris marsica, Iris pallida, Iris planifolia, Iris pseudacorus, Iris pseudopumila, Iris relicta, Iris revoluta Iris setina, Iris sibirica and Iris xiphium.[27]

Habitat

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It grows on the steppe grasslands and meadows,[1][4][22] (including sandy and semi-dry steppes,[28][29]), in rocky meadows,[4] (on andesite, limestone and basalt rocks,[2]),[1] and (in Moldova) at the edge of the forest clearings.[1][4]

They can be found at an altitude of up to 1,500 m (4,900 ft)above sea level.[1]

Conservation

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Leaves of Iris aphylla subsp. hungarica

It was listed on the European Red List of Vascular Plants as Data Deficient (DD) in 2011.[30][31]

It is listed as 'Vulnerable' on Red List of vascular plants of the Carpathian part of Slovakia in 2014.[32]

It is listed in the Berne Convention (1982), Habitats Directive 92/43/EEC,[2][31][33][34] and the Romanian Government Emergency Ordinance no 236/2000, Annex 3b.[3]

In Romania, it is classed as 'Vulnerable',[3] and is including on a list of protected plants.[2] Since 2002 and 2007, there were 5 confirmed locations in Romania.[33] It is also found within the Bicaz Gorges Haghimas National Park.[25]

In Slovakia, it is classed as 'critically endangered' CR,[2] and it is protected within Slovak Paradise National Park, alongside other at risk species including buxbaumia viridis (a type of moss), Cypripedium calceolus (Lady's Slipper Orchid), Ligularia sibirica, Pulsatilla subslavica, Pulsatilla slavica (Slovak pasque flower) and Adenophora lilifolia.[35] It is also protected within National nature reserve in Dreveník, near Žehra, approximately 60 species are classified as endangered including (Pulsatilla slavica G. Reuss.), Alpine aster (Aster alpinus L.), Carpathian harebell (Campanula carpatica Jacq.), Pontic dragonhead (Dracocephalum austriacum L.), European columbine (Aquilegia vulgaris L.), Snowdrop windflower (Anemone sylvestris L.), Manchurian monk's-hood (Aconitum variegatum L.), Turk's cap lily (Lilium martagon L.), St. Lucie cherry (Cerasus mahaleb (L.) Mill.), Yellow Monkshood (Aconitum anthora L.), Bladdernut (Staphylea pinnata L.) and Edelweiss (Leontopodium alpinum Cass.).[10]

In the Cherkasy region of Ukraine, it is listed in the Red Book as rare and endangered species with Stipa capillata L..[24] It is also found within the meadows of Sofiyivsky Park.[36]

In Hungary, it is protected by law.[2]

It is threatened due to habitat loss. From infrastructure development, forestry practices (including rejuvenation of forests with spruce).[3] Also loss by invading dominant species such as robinia and pinus species.[23]

Cultivation

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It is hardy to Zone 4.[5]

It prefers to grow in well-drained soils, (it can tolerate rocky soil) in a sunny situation.[5]

It can tolerate dry situations, if planted in humus rich soils.[28]

Propagation

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It can be propagated by division of the rhizomes or by seed growing. In the wild the seed are spread by the wind.[3]

Toxicity

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Like many other irises, most parts of the plant are poisonous (rhizome and leaves), and if mistakenly ingested can cause stomach pains and vomiting. Also, handling the plant may cause skin irritation or an allergic reaction.[37]

Culture

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On 7 February 1967, a stamp was issued in Hungary that shows Iris hungarica.[38]

References

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  1. ^ a b c d e f g h i j k l m "Iris steppe or iris (Iris aphylla ssp. Hungarica)". dev.adworks.ro. Archived from the original on 18 October 2014. Retrieved 22 August 2015.
  2. ^ a b c d e f g h i j k l m n o p q Baby, Daniel (31 January 2010). "Iris aphylla subsp. Hungarica (Waldst Et Kit) Hegi". botany.cz. Retrieved 2 September 2015.
  3. ^ a b c d e f g h i j k l m n o Marinescu, Violeta Maria; Alexiu, Valeriu. "Iris Aphylla L. Ssp. Hungarica Critically Endangered Taxon In Europa" (PDF). upit.ro. Archived from the original (PDF) on 4 March 2016. Retrieved 22 August 2015.
  4. ^ a b c d e f g h i j k l m "Plant profile". terra.hu. Retrieved 2 September 2015.
  5. ^ a b c "Iris aphylla ssp. hungarica". rareplants.es. Retrieved 3 September 2015.
  6. ^ a b c d e Wróblewska, Ada; Brzosko, Emilia; Chudzińska, Ewa; Bordács, Sándor; Prokopiv, Andriy Ivanovych (2010). "Cytotype distribution and colonization history of the steppe plant Iris aphylla". Annales Botanici Fennici. 47 (1): 23–33. doi:10.5735/085.047.0103. S2CID 84202760.
  7. ^ a b Austin, Claire (2005). Irises; A Garden Encyclopedia. Timber Press. ISBN 978-0881927306.
  8. ^ Kovalev, V. N.; Mikhailenko, O. A.; Vinogradov, B. A. (March 2014). "Aromatic Compounds and Terpenoids of Iris hungarica". Chemistry of Natural Compounds. 50 (1): 161–162. Bibcode:2014CNatC..50..161K. doi:10.1007/s10600-014-0900-5. S2CID 40976682.
  9. ^ a b "8 chromosome counts in Iris aphylla L." ccdb.tau.ac.il. Archived from the original on 26 May 2018. Retrieved 3 September 2015.
  10. ^ a b c Blascakova, M.; Poracova, J.; Mydlar, J.; Zahatnanska, M. (2011). "Law protected plants of National Nature Reserve Drevenik (Hornad basin) in Project Learning". Acta Horticulturae. 920 (920): 167–173. doi:10.17660/ActaHortic.2011.920.20.
  11. ^ D. Gledhill The Names of Plants, p. 205, at Google Books
  12. ^ "Iridaceae Iris hungarica Waldst. & Kit". ipni.org (International Plant Names Index). Retrieved 2 September 2015.
  13. ^ Komarov, V.L. (1935). "Akademiya Nauk SSSR (FLORA of the U.S.S.R.) Vol. IV". Retrieved 9 October 2014.
  14. ^ a b c d e f g h Doboly, Konstantin. "Studia bot. hung. 34. 2003" (PDF). publication.nhmus.hu. Retrieved 2 September 2015.
  15. ^ Andrei Aleksandrovich Fedorov (Editor)Flora of Russia Vol.4, p. 442, at Google Books
  16. ^ "Iris Iris aphylla L. is an accepted name". theplantlist.org. 23 March 2012. Retrieved 22 August 2015.
  17. ^ "Iris aphylla subsp. hungarica". eol.org. Retrieved 2 September 2015.
  18. ^ a b "Iris aphylla subsp. hungarica". www.rhs.org.uk. Retrieved 22 August 2015.
  19. ^ Vít Bojnanský and Agáta Fargašová Atlas of Seeds and Fruits of Central and East-European Flora: The Carpathian Mountains Region, p. 811, at Google Books
  20. ^ Evans, Doug (2004). "The Alpine bio-geographical region (Alps, Carpathians, Pyrenees, Scandinavian Mountains): Adaptation of the Habitats and Birds Directives for the expansion of the European Union". academia.edu. Retrieved 22 August 2015.
  21. ^ Varga, Zoltán S. (October 2002). "Biological diversity in the Carpathian basin and the priorities of the nature conservation" (PDF). geo-science.unideb.hu. p. 88. Retrieved 3 September 2015.
  22. ^ a b "Natural Resources". bodrogtura.eu. Retrieved 2 September 2015.
  23. ^ a b István Fésűs Interaction Between Agriculture and Environment in Hungary (1992), p. 27, at Google Books
  24. ^ a b Chemeris, I.A.; Bilyk, L.I.; Ryga, T.M. "Integrated natural monument, Tyasmynsky Canyon, (Ukraine, Cherkassy region)". rusnauka.com. Retrieved 2 September 2015.
  25. ^ a b Gheorghe Romanescu, Cristian Constantin Stoleriu and Andrei EneaLimnology of the Red Lake, Romania: An Interdisciplinary Study (2010), p. 47, at Google Books
  26. ^ "Iris aphylla L. subsp. hungarica Hegi". carpates.org. Retrieved 2 September 2015.
  27. ^ a b Conti, Fabio; Abbate, Giovanna Abbate; Alessandrini, Alessandro; et al., eds. (May 2005). "An Annotated Checklist Of The Italian Vascular Flora" (PDF). lnx.ondeweb.net. Archived from the original (PDF) on 31 March 2022. Retrieved 2 September 2015.
  28. ^ a b Marinus J.A. Werger and Marja A. van Staalduinen (Editors) Eurasian Steppes. Ecological Problems and Livelihoods in a Changing World, p. 226, at Google Books
  29. ^ István Fésűs Interaction Between Agriculture and Environment in Hungary (1992), p. 45, at Google Books
  30. ^ Bilz, Melanie; Kell, Shelagh P.; Maxted, Nigel; Lansdown, Richard V. (2011). "European Red List of Vascular Plants" (PDF). ec.europa.eu (Publications Office of the European Union). Retrieved 29 August 2015.
  31. ^ a b "Species 196447". eunis.eea.europa.eu. Retrieved 2 September 2015.
  32. ^ Turis, Peter; Kliment, Ján; Feráková, Viera; Dítě, Daniel; Eliáš, Pavol; Hrivnák, Richard; Košťál, Jaroslav; Šuvada, Róbert; Mráz, Patrik; Bernátová, Dana (2014). "Red List of vascular plants of the Carpathian part of Slovakia" (PDF). Thaiszia – Journal of Botany (J. Bot.). 24 (1): 35–87. Retrieved 3 September 2015.
  33. ^ a b Anca, Sârbu; Adrian, Oprea; Ion, Sârbu (2007). "Plants From The Habitat Directive – ANNEX IIb, Presents In Romania" (PDF). Buletinul Grădinii Botanice Iaşi. 14. Retrieved 4 September 2015.
  34. ^ Papp, Cristian-Remus (2008). "Feasibility check of the designation of a Transboundary Protected Area between Romania and Hungary (the example of Carei Plain and Bátorliget), MPA Thesis, University of Klagenfurt, Klagenfurt" (PDF). mpa.e-c-o.at. Retrieved 3 September 2015.[permanent dead link‍]
  35. ^ Múzeum Spiša v Spišskej Novej Vsi (Editor)Province House – seat of the Spiš Museum in Spišská Nová Ves, p. 5, at Google Books
  36. ^ Kuzemko, Anna. "Meadow-steppe vegetation of the National Dendrological Park "Sofievka"". Retrieved 2 September 2015.
  37. ^ David G Spoerke and Susan C. SmolinskeToxicity of Houseplants, p. 236, at Google Books
  38. ^ "Stock Photo". shutterstock.com. Retrieved 2 September 2015.

Sources

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  • Gregory Jones QC (Editor), The Habitats Directive: A Developer's Obstacle Course?
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