Iris marsica

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Iris marsica
Iris Marsica 1.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Iridaceae
Genus: Iris
Subgenus: Iris subg. Iris
Section: Iris sect. Iris
Species:
I. marsica
Binomial name
Iris marsica
Synonyms [2]

None known

Iris marsica is a plant species in the genus Iris , it is also in the subgenus Iris . It is a rhizomatous perennial, from the Apennine Mountains, in Italy. It has glaucous, sickle-shaped or curved, light green leaves, slender stem with 2 branches, and 3 violet, light blue violet, dark violet, and dark purple flowers. It was only found and described since 1973, and is not yet in general cultivation. It was once thought to be a form of Iris germanica, but has different morphological characteristics and different chromosomal differences.

Contents

Description

It is similar in form to Iris germanica , [3] : 141  [4] [5] but it has more curved leaves (or sickle-shaped, [6] ) greener, and longer leaves, the stem is less glaucous, [7] and it has less scarious (membranous) spathes. [6]

It has a thick rhizome, [8] with many stoloniferous and fibrous branches. The rhizomes grow at ground level. [5]

It has herbaceous, [7] (or deciduous), [5] falcate (sickle-shaped), [4] [6] light green and slightly glaucous leaves. [5] They can grow up to 30 cm (12 in) long. [5] They often have 2–3 basal (rising from the rhizome) leaves, with one sheathing the stem. [6]

It has a flattened stem, [6] or peduncle, that can grow up to between 30–65 cm (12–26 in) tall. [3] : 141  [8] [9] It has 2 short branches, [4] [5] [9] (or pedicels), the lowest branch is similar in length to the bract. [6] The other branch, appears from the midpoint on the stem. [6]

The stem has 2–3 green, marked with purple, slightly inflated, rounded, spathes (leaves of the flower bud). They are scarious (along the top part of the leaf), at blooming time. [6]

The stem (and the branches) hold up to 3 flowers, [6] in early season, [3] : 141  in April, [9] May, [5] or between May and June. [10] [11] [12]

The slightly fragrant, [3] : 141  flowers come in shades of violet, [4] [6] [10] light blue violet, [5] dark violet, [3] : 141  [9] and dark purple. [8] It sometimes has bi-toned flowers. [4] [10]

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'. [3] : 17  The falls are obovate or cuneate (wedge shaped), and 7.6 cm (3 in) long and 4.5 cm wide. [6] They have dark veining on the haft (near to the stem), [6] [8] [9] They also sometimes curl under. [3] : 141  In the centre, of the falls is a 'beard', or line of white hairs, tipped with yellow. [6] [8] [10] The standards are elliptic shaped, with a narrow haft, and 7.6 cm (3 in) long and 3.8 cm wide. [6]

It has 3.8 cm long perianth tube, the style branch is normally, white with violet crest. The crest is toothed (dentate). It has white or blue filaments, and pale cream pollen. It has a triangular in section ovary. [6]

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

Biochemistry

In 2000, 11 iris species were studied and their leaf flavonoid, isoflavonoid and xanthone (chemical) constituents were analysed in order to investigate their phylogeny. Iris marsica is thought to have originated from Iris pseudopumila Tineo (chromosomal count of 2n= 16) x Iris variegata L. (2n = 24) but other possible parents are Iris pallida Lam., Iris cengialti Kern. (Terpin et al. 1996), Iris illyrica Tomm. (2n = 24) and Iris reichenbachii Heuff. (2n = 24). [13]

As most irises are diploid, having two sets of chromosomes, this can be used to identify hybrids and classification of groupings. [3] : 18  It has a chromosome count: 2n=40, [4] it was counted by Colasante & Sauer in 1993. [10] The chromosomal count of 2n=40 is the same as Iris setina , Iris bicapitata , Iris lutescens , Iris relicta and Iris revoluta . [14]

Taxonomy

It has the common name of 'Marsican iris'. [15] [16] : 275 

The Latin specific epithet marsica refers to Monti Marsicani (a mountain range) in Abruzzo, Italy. [6] [10]

It was first published and described by Ignazio Ricci (1922–1986) and Maria Antonietta Colasante in 'Annali di botanica' Vol.32 page218, in 1973 (published in 1974), [17] [18] published in Rome, with 14 colour illustrations. [10]

It was later published in the 'Bulletin of the American Iris Society' Vol.292 on pages 82–85 in January 1994. [10]

It was verified by United States Department of Agriculture and the Agricultural Research Service on 4 April 2003, then updated on 3 December 2004. [18]

It is listed in the Encyclopedia of Life. [19]

Iris marsica is an accepted name by the RHS. [20]

Distribution and habitat

It is native to South-eastern Europe. [18]

Range

It is endemic to Italy, [3] : 141  [10] [20] within the regions of Umbria, Marche, Lazio, [8] Molise and Abruzzo. [21]

It has geographic range of 4,083 km2 (1,576 sq mi), [21] which includes the Apennine Mountains, [4] [7] [8] Monti Simbruini (with Iris sambucina (a synonym of Iris germanica L.) and Iris chameiris (a synonym of Iris lutescens Lam.)), [22] and The Abruzzo National Park. [6] [7] [15]

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 revolutaIris setina, Iris sibirica and Iris xiphium . [23]

It is also listed as endemic species of the Apennines with Aquilegia magellensis , Centaurea scannensis , Jonopsidium savianum , Goniolimon italicum , Astragalus aquilanus and Achillea luncana . [24]

Habitat

It grows on the dry grasslands, [21] mountain pastures, [8] and scrub lands. [21]

Conservation

Iris marsica has only been recorded from a limited number of locations, [7] about 12 localities have a stable population. [21] Most (10), [7] are within the Abruzzo National Park. [11] [12]

It is at risk of extinction, [8] due to the threat of collection (from the wild). [5] [21]

It is listed on the IUCN Red List of Plants of Italy, on both the national and regional sections, as 'lower risk (LR). [8] [22]

It is now listed as a 'strictly protected' flora species. [25] It is protected by the EU Habitats Directive (Annex IV) and the Berne Convention (Annexe I) 1979. [8] [22] [26]

3 records are listed on Global Biodiversity Information Facility. [26]

In 2011, it was listed on the European Red List of Vascular Plants of the IUCN as 'Data Deficient' (DD). [21] [27]

Cultivation

It is hardy. [4] [7]

It prefers situations in well-drained soils in full sun. [7] [9]

It can be grown on slopes, and can be grown in similar situations as other bearded irises. [5]

It is not regularly available for sale, but only cultivated by iris collectors. [5]

Specimens can be seen in 'Michele Tenore Majella Botanical Garden', [16] : 260  (also known as 'Giardino Botanico della Majella') situated within the scree slopes section of the garden. [28]

Propagation

Irises can generally be propagated by division, [29] 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. [30]

Related Research Articles

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References

  1. ↑ Abeli, T. (2011). "Iris marsica". IUCN Red List of Threatened Species . 2011: e.T162141A5548538. doi: 10.2305/IUCN.UK.2011-1.RLTS.T162141A5548538.en . Retrieved 19 November 2021.
  2. ↑ "Iris marsica I.Ricci & Colas. is an accepted name". theplantlist.org (The Plant List). 23 March 2013. Retrieved 23 October 2015.
  3. 1 2 3 4 5 6 7 8 9 Austin, Claire (2005). Irises; A Garden Encyclopedia. Timber Press. ISBN   978-0881927306.
  4. 1 2 3 4 5 6 7 8 Kramb, D. (5 September 2004). "Iris marsica". signa.org (Species Iris Group of North America). Retrieved 23 October 2015.
  5. 1 2 3 4 5 6 7 8 9 10 11 "Chapter I Rhizomatous Iris (part 2)". irisbotanique.over-blog.com. Retrieved 28 October 2015.[ permanent dead link ]
  6. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Service, Nigel (1988). The 1988 Iris Year Book. pp. 94–95.
  7. 1 2 3 4 5 6 7 8 British Iris Society (1997) A Guide to Species Irises: Their Identification and Cultivation , p. 41, at Google Books
  8. 1 2 3 4 5 6 7 8 9 10 11 "Iris Marsica" (in Italian). parcomajella.it. Retrieved 23 October 2015.
  9. 1 2 3 4 5 6 "Iris Marsica" (in German). naturgarten-oase.de. Retrieved 28 October 2015.
  10. 1 2 3 4 5 6 7 8 9 Franco, Alain (17 November 2014). "(SPEC) Iris marsica Ricci & Colasante". wiki.irises.org (American Iris Society). Retrieved 23 October 2015.
  11. 1 2 "The National Park of Abruzzo, Lazio and Molise: the flora and fauna". villalago-abruzzo.com. Retrieved 28 October 2015.
  12. 1 2 "The National Park of Abruzzo". goingthroughitaly.com. Retrieved 28 October 2015.
  13. ↑ Williams, C.A; Harborne, J.B.; Colasante, M. (2000). "The pathway of chemical evolution in bearded iris species based on flavonoid and xanthone patterns" (PDF). Annali di Botanica. 58: 51–54. Retrieved 28 October 2015.
  14. ↑ Colasante, M.; Vosa, C.G. (2000). "Iris:Allocyclic segments as Chromosome markers?". Annali di Botanica. 58: 127–134. Retrieved 28 October 2015.[ permanent dead link ]
  15. 1 2 "The Abruzzo National Park". opionline.it. Retrieved 28 October 2015.
  16. 1 2 Luciano Di Gregorio Bradt Abruzzo at Google Books
  17. ↑ "Iridaceae Iris marsica I.Ricci & Colas". ipni.org (International Plant Names Index). Retrieved 23 October 2015.
  18. 1 2 3 "Iris marsica". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 23 October 2015.
  19. ↑ "Iris marsica". eol.org. Retrieved 23 October 2015.
  20. 1 2 "Iris marsica". www.rhs.org.uk. Retrieved 29 October 2015.
  21. 1 2 3 4 5 6 7 Abeli, T. (2011). "The IUCN Red List of Threatened Species 2013: e.T162141A5548538". IUCN Red List of Threatened Species . 2011. doi: 10.2305/IUCN.UK.2011-1.RLTS.T162141A5548538.en .
  22. 1 2 3 Ferreri, Francesco (4 June 2014). "Three queens flora Simbruini". orizzontisimbruini.com. Archived from the original on 3 February 2016. Retrieved 28 October 2015.
  23. ↑ 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 30 October 2015.
  24. ↑ Franco Pedrotti Plant and Vegetation Mapping (2004) , p. 32, at Google Books
  25. ↑ Council of Europe Staff Explanatory Report Concerning the Convention on the Conservation of European Wildlife and Natural Habitats (1996) , p. 42, at Google Books
  26. 1 2 Council of Europe (Editors) Biodiversity and Climate Change: Reports and Guidance Developed under the Bern Convention (2012), Volume 2 , p. 212, at Google Books
  27. ↑ 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.
  28. ↑ "Botanical Garden Michele Tenore". italianbotanicalheritage.com. Retrieved 28 October 2015.
  29. ↑ "How to divide iris rhizomes". gardenersworld.com. Retrieved 12 October 2015.
  30. ↑ David G Spoerke and Susan C. Smolinske Toxicity of Houseplants , p. 236, at Google Books

Sources

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