Hermodactylus
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''Iris tuberosa'' (formerly ''Hermodactylus tuberosus'') is a
species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of
tuber Tubers are a type of enlarged structure that plants use as storage organs for nutrients, derived from stems or roots. Tubers help plants perennate (survive winter or dry months), provide energy and nutrients, and are a means of asexual reproduc ...
ous
flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
of the genus ''
Iris Iris most often refers to: *Iris (anatomy), part of the eye * Iris (color), an ambiguous color term *Iris (mythology), a Greek goddess * ''Iris'' (plant), a genus of flowering plants * Iris (given name), a feminine given name, and a list of peopl ...
'', with the common names snake's-head, snake's-head iris, widow iris, black iris, or velvet flower-de-luce.


Distribution

A native of the
Mediterranean The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern ...
region, it is found in the northern Mediterranean
littoral The littoral zone, also called litoral or nearshore, is the part of a sea, lake, or river that is close to the shore. In coastal ecology, the littoral zone includes the intertidal zone extending from the high water mark (which is rarely i ...
and western Europe. It can be found in
Albania Albania ( ; or ), officially the Republic of Albania (), is a country in Southeast Europe. It is located in the Balkans, on the Adriatic Sea, Adriatic and Ionian Seas within the Mediterranean Sea, and shares land borders with Montenegro to ...
,
France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
,
Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...
, and
Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
.


Cultivation

It is grown from tubers planted in the autumn. It grows best in full sun to partial shade, and requires well-drained soil. It can naturalise in grassy areas but grows well in rock gardens or containers.Paghat's Garden Paghat's Garden: Snake's-head or Widow Iris
/ref> It is a common ornamental garden plant, flowering in early spring. It is rather tender in the UK.Caledonian Horticultural Society, Edinburgh


Taxonomic history

After being split off from the genus ''Iris'' in the nineteenth century into a separate genus,
/ref> ''Hermodactylus'', it has most recently been returned to the genus ''Iris'',Pacific Bulb Society
/ref> following molecular studies at
Kew Kew () is a district in the London Borough of Richmond upon Thames. Its population at the 2011 census was 11,436. Kew is the location of the Royal Botanic Gardens ("Kew Gardens"), now a World Heritage Site, which includes Kew Palace. Kew is ...
.Tillie N, Chase MW, Hall T. 2002 Molecular studies in the genus Iris L.: a preliminary study. Ann. Bot. n.s. (Italy) 1. (2): 105–112 (2001)
/ref> According to the proposed molecular classification of irises of Tillie, Chase and Hall, this species is now best seen as a member of the subgenus ''
Hermodactyloides The subgenus ''Hermodactyloides'' of Iris includes all reticulate-bulbed bulbous irises. It was formerly named as a genus, ''Iridodictyum'' by Rodionenko in 1961. but it was not widely accepted and most botanists preferred 'Hermodactyloides'. ...
'', the reticulate-bulbed bulbous irises.


References


Bibliography


Telegraph: How to grow Hermodactylus
* * Goldblatt, P., (1990) Phylogeny and classification of Iridaceae. Ann. Missouri Bot. Gard. 77:607-627. * Reeves, G., Chase, M.W., Goldblatt, P., Rudall, P., Fay, M.F., Cox, A.V., LeJeune, B., & Souza-Chies, T., (2001). Molecular systematics of Iridaceae: Evidence from four plastid DNA regions. Am. J. Bot. 88:2074-2087.

{{Taxonbar, from1=Q15572851, from2=Q50841884, from3=Q5231028 tuberosa