Ipheion

Spring Star Flower ( Ipheion uniflorum )

The star flower ( Ipheion ) constitute a genus in the subfamily of the leek plants ( Allioideae ). The genus includes about three to ten species. They are only native to South America. In many countries they are invasive plants.

Use

In the genus Ipheion there are a few types of varieties that are beautiful ornamental plants for the garden.

Description

Ipheion species are perennial herbaceous plants. The plants smell when they are violated by garlic. These geophytes form individual bulbs with a sheath ( " Tunic " ) without daughter bulbs as outlasting. You have a leafless rest period in the summer, although they usually come from areas where there is year-round precipitation. The roots are fleshy. The leaves are alternate and usually spirally arranged in a basal rosette. The sessile, simple, parallel venation leaves are linear and flat. The leaf margin is smooth.

The inflorescence stem is hollow. Originally doldigen inflorescences usually contain only one flower. There shall be no Brutzwiebelchen in the inflorescences. The two bracts partly covered and protect the flowers in knospigen state. The stalked, hermaphrodite, radial symmetry blooms are triple. The six equal multiform bracts are fused narrow - Roehrig at their base. The free areas of the bloom are laid out in a star shape. The colors of the bracts range from white to purple and blue. There are two circles, each provided with three fertile stamens, they are among themselves freely, but intertwine with the bloom cladding. The stamens are. The three carpels are a superior ovaries adherent to many (20 to 50) ovules per ovary chamber. The style ends in a short three-lobed stigma. There are Septalnektarien available. Pollination is by insects ( entomophily ).

Are formed cylindrical capsule fruits that contain many seeds. The oily, black by Phytomelane seeds are winged.

System

Constantine S. Rafinesque - Schmaltz published the genus Ipheion 1837 in Flora Telluriana 2, 12 The genus belongs to the tribe Ipheion Ipheieae in the subfamily Gilliesioideae within the family of the leek family ( Alliaceae ).

Especially the yellow flowering species, which are classified by some authors in the Ipheion belong to the genus Nothoscordum, for example Nothoscordum sellowianum or Nothoscordum dialystemon. 1963 Hamilton P. Traub moved all Ipheion species to Tristagma, this was not taken by most authors.

Types (selection)

The genus contains about Ipheion three to ten species:

  • Ipheion sellowianum ( Kunth ) Traub ( Syn: Tristagma sellowianum ( Kunth ) Traub ), Origin: Southern Brazil, Uruguay, Argentina
  • Ipheion sessile ( Phil.) Traub ( Syn: Tristagma sessile ( Phil.) Traub ), Origin: Chile
  • Spring star flower or bloom Star Flower, Einblütiger Spring Star, Pampas lily ( Ipheion uniflorum ( Graham) Raf, Syn. Ipheion uniflorum ( Lindl. ) Raf, Triteleia uniflora Lindl, Milla uniflora Graham ( basionym ), Tristagma uniflora ( Graham) Traub. ., Brodiaea uniflora ( Lindl. ) Engl ): The home is Argentina, Uruguay and southern Brazil.

Swell

  • J. Gathe and Leslie Watson: Ipheion in the Western Australian Flora: Online.
  • DC Godden: Ipheion: New South Wales Flora Online.
  • Walter Erhardt et al: The big walleye. Encyclopedia of plant names. Volume 2 Eugen Ulmer Verlag, Stuttgart, 2008. ISBN 978-3-8001-5406-7
Constantine Samuel Rafinesque Umbel Ovary (botany)
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