Ipheion uniflorum

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Ipheion uniflorum
Ipheion uniflorum1.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Ipheion
Species:
I. uniflorum
Binomial name
Ipheion uniflorum
Synonyms

Ipheion uniflorum is a species of flowering plant, related to the onions, placed in the allium subfamily (Allioideae) of the Amaryllidaceae. [1] It is known by the common name springstar, [2] or spring starflower. Along with all the species of the genus Ipheion, some sources place it in the genus Tristagma , [3] but research published in 2010 suggested that this is not correct. [4] It is native to Argentina and Uruguay, but is widely cultivated as an ornamental and reportedly naturalized in Great Britain, France, Australia, New Zealand [5] and the United States. [6]

Contents

Description

This is a small herbaceous perennial growing from a bulb and producing flat, shiny, green, hairless, grasslike leaves up to 30 cm (12 in) long. The foliage has an onionlike scent when crushed. The stem grows up to 20 cm (8 in) tall and bears a solitary showy flower in spring (hence the Latin name uniflorum - "single flower"). Each honey-scented, star-shaped flower has six pointed lobes up to 3 centimeters long in shades of very pale to deep purple-blue.

Cultivation

Ipheion uniflorum has been grown in the UK since 1820, when bulbs collected from near Buenos Aires arrived in the country. It is recommended for growing in a well-drained position outside or as a long-flowering pot plant in an unheated greenhouse. Various named forms are in cultivation, some of which may be hybrids. 'Wisley Blue' is a clear lilac blue; 'Froyle Mill' is a deeper violet blue; 'Album' is white. The cultivar 'Alberto Castillo', also white, has larger flowers and was collected in the 1980s by Alberto Castillo, the owner of Ezeiza Botanical Garden, from an abandoned Buenos Aires garden. [7] [8] In the United States, the species is stated to be hardy to USDA Zone 5, and is recommended for massing in borders, alpine gardens and other areas, or it can be naturalized in lawns. [9]

The following cultivars have gained the Royal Horticultural Society's Award of Garden Merit:- [10]

Media

Related Research Articles

<i>Ipheion</i> Genus of flowering plants

The flowering plant genus Ipheion belongs to Allioideae, a subfamily of the family Amaryllidaceae. The World Checklist of Selected Plant Families no longer recognize the genus, regarding it as a synonym of Tristagma, although The Plant List accepts two species.

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<i>Hyacinthus orientalis</i> Species of flowering plant

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<i>Cornus alba</i> Species of flowering plant

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<i>Hamamelis mollis</i> Species of tree

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<i>Skimmia japonica</i> Species of flowering plant

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<i>Babiana stricta</i> Species of flowering plant

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<i>Crocus tommasinianus</i> Species of flowering plant

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<i>Veronica prostrata</i> Species of flowering plant in the family Plantaginaceae

Veronica prostrata, the prostrate speedwell or rock speedwell, is a species of flowering plant in the family Plantaginaceae, native to Europe. Growing to 10–15 cm (4–6 in) tall, it is a temperate semi-evergreen prostrate perennial plant. As it forms a mat of foliage, it is suitable for groundcover or in the alpine garden. Blue flowers are borne in summer, in terminal racemes above paired leaves.

<i>Tecophilaea cyanocrocus</i> Species of plant

Tecophilaea cyanocrocus, the Chilean blue crocus, is a flowering perennial plant that is native to Chile, growing at 2,000 to 3,000 m elevation on dry, stony slopes in the Andes mountains. Although it had survived in cultivation due to its use as a greenhouse and landscape plant, it was believed to be extinct in the wild due to overcollecting, overgrazing, and general destruction of habitat, until it was rediscovered in 2001.

<i>Zephyranthes tubispatha</i> Species of flowering plant

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<i>Muscari aucheri</i> Species of flowering plant in the family Asparagaceae

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<i>Pseudomuscari azureum</i> Species of flowering plant

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<i>Narcissus bulbocodium</i> Species of flowering plants in the family Amaryllidaceae

Narcissus bulbocodium, the petticoat daffodil or hoop-petticoat daffodil, is a species of flowering plant in the family Amaryllidaceae, native to southern and western France, Portugal, and Spain. Some sources say that the species is also native to Morocco, but this is based on populations formerly thought to be varieties of N. bulbocodium but now regarded as separate species.

<i>Narcissus cyclamineus</i> Species of daffodil

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<i>Trachelium caeruleum</i> Species of flowering plant

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<span class="mw-page-title-main">Narcissus 'Jetfire'</span>

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References

  1. Stevens, Peter F. (2001–2010), "Amaryllidaceae", Angiosperm Phylogeny Website, Version 10, retrieved 2010-11-30
  2. USDA, NRCS (n.d.). "Tristagma uniflorum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 December 2015.
  3. "Ipheion", World Checklist of Selected Plant Families, Royal Botanic Gardens, Kew , retrieved 2012-12-17
  4. Souza, L.G.R; Crosa, O. & Guerra, M. (2010), "Karyological circumscription of Ipheion Rafinesque (Gilliesioideae, Alliaceae)", Plant Systematics and Evolution, 287 (3–4): 119–27, doi:10.1007/s00606-010-0304-3, S2CID   21914243
  5. Kew World Checklist of Selected Plant Families, as Tristagma uniflorum
  6. "Discover Life I. uniflorum Distribution Map". Discover Life.
  7. Beckett, K., ed. (1993), Encyclopedia of Alpines, Vol. 1, Pershore, UK: AGS Publications, ISBN   978-0-900048-61-6 , p.675
  8. Rolfe, R. (2001), "Plant Awards 2000-2001", Bulletin of the Alpine Garden Society, 69: 482–550, p.488
  9. Kemper Center for Home Gardening, Ipheion uniflorum , retrieved 2010-12-01
  10. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 63. Retrieved 13 March 2018.
  11. "RHS Plantfinder - Ipheion 'Alberto Castillo'" . Retrieved 13 March 2018.
  12. "RHS Plant Selector - Ipheion uniflorum 'Froyle Mill'". Royal Horticultural Society. Retrieved 2020-09-16.
  13. "RHS Plant Selector - Ipheion uniflorum 'Rolf Fiedler'". Royal Horticultural Society. Retrieved 2020-09-16.
  14. "RHS Plant Selector - Ipheion uniflorum 'Wisley Blue'". Royal Horticultural Society. Retrieved 2020-09-16.