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Ipheion uniflorum facts for kids

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Ipheion uniflorum
Ipheion uniflorum1.jpg
Scientific classification
Synonyms
  • Triteleia uniflora Lindl.
  • Brodiaea uniflora (Lindl.) Engl.
  • Tristagma uniflorum (Lindl.) Traub
  • Milla uniflora (Lindl.) Graham

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

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 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. In the USA, 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.

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

  • ’Alberto Castillo’
  • 'Froyle Mill'
  • 'Rolf Fiedler'
  • 'Wisley Blue'

Media

  • Tristagma-uniflorum-2008-05-04 at 18-21-01
  • Vårlilja (Ipheion uniflorum)
  • Ipheion uniflorum Alberto Castillo

    'Alberto Castillo'

  • Tristagma uniflorum Rolf Feidler closeup

    Closeup of 'Rolf Fiedler'

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