Description

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Bulbous, perennial herbs, the bulbs sometimes fibrous at apex. Leaves all basal, never spotted. Inflorescence erect, terminal. Bracts 1 or 2 per flower, decurrent. Flowers blue or white, never yellow. Perianth segments spreading or strongly recurved. Filaments connate towards the base. Ovary spherical to oblong; ovules axile, many. Fruit a loculicidal capsule. Seeds rounded, obtusely angled, black, verrucose. This is another genus in the Hyacinthaceae, for which the taxonomy is not clear. This account must be regarded as provisional.
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Mark Hyde, Bart Wursten and Petra Ballings
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Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Scilla Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=351
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Mark Hyde
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Bart Wursten
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Petra Ballings
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Scilla

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Scilla (/ˈsɪlə/) is a genus of about 50 to 80[2] species of bulb-forming perennial herbaceous plants in the family Asparagaceae, subfamily Scilloideae.[3] Sometimes called the squills in English,[4] they are native to woodlands, subalpine meadows, and seashores throughout Europe, Africa and the Middle East. A few species are also naturalized in Australia, New Zealand and North America.[1][5][6] Their flowers are usually blue, but white, pink, and purple types are known; most flower in early spring, but a few are autumn-flowering. Several Scilla species are valued as ornamental garden plants.

Systematics

Scilla has most recently been classified as belonging to the family Asparagaceae, subfamily Scilloideae; the subfamily was formerly treated as a separate family, Hyacinthaceae.[7] Prior to that it was placed in the tribe Hyacintheae of the family Liliaceae.

The precise number of Scilla species in the genus depends on which proposals to split the genus are accepted. Other proposals separate particularly the Eurasian species into a number of smaller genera such as Othocallis Salisb., e.g. Scilla siberica would become Othocallis siberica.

The common bluebell of British and European bluebell woods, still occasionally referred to by a former name, Scilla non-scripta, is now known as Hyacinthoides non-scripta. Several African species previously classified in Scilla have been removed to the genus Ledebouria. The best known of these is the common houseplant still sometimes known as Scilla violacea but now properly Ledebouria socialis.

Species

As of March 2020, Plants of the World Online accepted the following species:[8]

A hybrid has been named:

Formerly included

Cultivation and uses

Many Scilla species, notably S. siberica and members of section Chionodoxa, are grown in gardens for their attractive early spring flowers.

References

  1. ^ a b Scilla L., Sp. Pl.: 308 (1753), Kew World Checklist of Selected Plant Families
  2. ^ WCSP (2018), World Checklist of Selected Plant Families, The Board of Trustees of the Royal Botanic Gardens, Kew, retrieved 2018-05-09, search for "Scilla"
  3. ^ Stevens, P.F., Angiosperm Phylogeny Website: Asparagales: Scilloideae
  4. ^ Sunset Western Garden Book (1995), Leisure Arts, pp. 606–607, ISBN 0376038519
  5. ^ Flora of North America, Scilla Linnaeus, Sp. Pl. 1: 308. 1753, efloras.org
  6. ^ Altervista Flora Italiana, genere Scilla includes European distribution maps
  7. ^ Chase, M.W.; Reveal, J.L. & Fay, M.F. (2009), "A subfamilial classification for the expanded asparagalean families Amaryllidaceae, Asparagaceae and Xanthorrhoeaceae", Botanical Journal of the Linnean Society, 161 (2): 132–136, doi:10.1111/j.1095-8339.2009.00999.x
  8. ^ "Scilla L." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2020-03-19.
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Scilla: Brief Summary

provided by wikipedia EN

Scilla (/ˈsɪlə/) is a genus of about 50 to 80 species of bulb-forming perennial herbaceous plants in the family Asparagaceae, subfamily Scilloideae. Sometimes called the squills in English, they are native to woodlands, subalpine meadows, and seashores throughout Europe, Africa and the Middle East. A few species are also naturalized in Australia, New Zealand and North America. Their flowers are usually blue, but white, pink, and purple types are known; most flower in early spring, but a few are autumn-flowering. Several Scilla species are valued as ornamental garden plants.

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