Iris × robusta explained

Iris × robusta, called the Windermere iris, is a hybrid species of flowering plant in the family Iridaceae.[1] Its parents are Iris versicolor and Iris virginica, both of which are native to North America.[2] Wild populations have been found in Michigan and Ontario, and it has been introduced into Great Britain.[3] It is a rhizomatous perennial, characterised by its violet-blue flowers and purple-flushed foliage.[4] It has a number of cultivars, including 'Gerald Darby', 'Mountain Brook', 'Purple Fan' and 'Nutfield Blue'.[5] Its cultivar 'Dark Aura' has gained the Royal Horticultural Society's Award of Garden Merit.[4]

Notes and References

  1. Web site: Iris × robusta Windermere iris . The Royal Horticultural Society . 10 March 2021 .
  2. Web site: Iris × robusta 'Gerald Darby' . . Plant Finder . Missouri Botanical Garden . 4 March 2021 .
  3. Web site: Iris × robusta E.S.Anderson . . 2017 . Plants of the World Online . Board of Trustees of the Royal Botanic Gardens, Kew . 10 March 2021 .
  4. Web site: Iris × robusta 'Dark Aura' . The Royal Horticultural Society . 10 March 2021 . Synonyms, Iris 'Dark Aura', Iris versicolor 'Dark Aura', Iris virginica 'De Luxe' .
  5. Web site: Pond Plants . . 11 February 2021 . torgardenplants.co.uk . Tor Garden Plants . 10 March 2021.

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