Simethis

Simethis is a genus of plants in the family Asphodelaceae, subfamily Hemerocallidoideae.[2] It contains only one known species, Simethis mattiazzii, commonly called the Kerry lily.[1][3]

Simethis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asphodelaceae
Subfamily: Hemerocallidoideae
Genus: Simethis
Species:
S. mattiazzii
Binomial name
Simethis mattiazzii
(Vand.) Sacc.
Synonyms[1]
  • Pubilaria Raf.
  • Morgagnia Bubani
  • Sieboldia Heynh.
  • Pogonella Salisb.
  • Anthericum mattiazzii Vand.
  • Pubilaria mattiazzii (Vand.) Samp.
  • Anthericum planifolium L.
  • Anthericum bicolor Desf.
  • Anthericum ericetorum Bergeret
  • Phalangium bicolor (Desf.) DC.
  • Phalangium planifolium (L.) Pers.
  • Bulbine planifolia (L.) Spreng.
  • Hemierium planifolium (L.) Raf.
  • Pubilaria bicolor (Desf.) Raf.
  • Morgagnia bicolor (Desf.) Bubani
  • Simethis bicolor (Desf.) Kunth
  • Sieboldia bicolor (Desf.) Heynh.
  • Simethis planifolia (L.) Gren. & Godr
  • Phalangium holosericeum Pourr. ex Willk. & Lange
  • Pubilaria planifolia (L.) Samp.

It grows in dry places especially near the coast in Western Europe (Ireland, France, Spain, Portugal, Italy) and northern Africa (Algeria, Morocco, Tunisia). Its common name is based on its occurrence at a few sites in County Kerry, Ireland.[1]

Description

The Kerry lily is a perennial plant reaching a maximum height of 25 cm (10 in). It has a vertical rhizome and fleshy roots. The leaves grow from the base of the plant and are up to 30 cm (12 in) long; they are narrow, linear and grass-like, and sometimes curl. The inflorescence is a sparsely-branched, erect, wiry stem bearing a few small leaves and a loose spike of three to ten flowers with six tepals. The flowers are 2 cm (0.8 in) in diameter, purple-grey in bud and gleaming white when they open. The six stamens have fuzzy white filaments tipped by yellow anthers. The fruit is a three-lobed capsule. The Kerry lily flowers in May and June.[4][5]

Distribution and habitat

The Kerry lily has a scattered, mainly maritime, distribution in Western Europe and North Africa. The only place in the British Isles where it is found is in County Kerry in southwestern Ireland, where it is restricted to a 20 km2 (7.7 sq mi) area around Derrynane.[6] It occurs in western France, the Pyrenees, the Atlantic coastal strip of northern and western Spain and Portugal, the Mediterranean coastal strip of Morocco, Algeria and Tunisia, and isolated sites in western Italy, Sicily, Corsica and Sardinia. In different parts of its range it inhabits grassland and heathland habitats, maquis, shrubland and cork-oak woodland. It is common in the Atlantic belt of Europe but rare in many of the other scattered locations in which it grows.[5]

This plant has a relictual distribution, with southwestern Ireland being its most northerly occurrence. It was recorded from Dorset in southern England, but seems to now be extinct there. It is more common in Brittany and the Loire Valley, and the northern flanks of the Pyrenees but much rarer further inland. It is also common in the coastal strip of the Iberian Peninsula, and was discovered growing on the island of Marettimo, Sicily, for the first time in 2012. The population in North Africa is very fragmentary.[5]

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References
  1. Kew World Checklist of Selected Plant Families, wcsp.science.kew.org
  2. Stevens, P. F., Angiosperm Phylogeny Website: Asparagales: Hemerocalloideae
  3. Altervista Flora Italiana, Lilioasfodelo di Mattiazzi, Xanthorrhoeaceae: Simethis mattiazzi (Vandelli) Sacc.
  4. "Kerry lily". Wildflowers of Ireland. Retrieved 4 March 2020.
  5. Gianguzzi, Lorenzo; Cusimano, Dario; Bonventre, Vito; Romano, Salvatore; Ilardi, Vincenzo (2012). "Bio-ecological, phytosociological and conservation aspects of relictual and disjointed populations of Simethis mattiazzi (Vandelli) Sacc. (Xanthorrhoeaceae) in the Channel of Sicily". Acta Botanica Gallica. 159 (3): 303–318. doi:10.1080/12538078.2012.737141.
  6. Hickey, Donal (31 August 2009). "Kerry, a haven for many rare species". Irish Examiner. Retrieved 8 March 2020.
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