■ (Spx) Iris xrobusta

1928, Anderson

xrobusta (Edgar Anderson, 1928 in Annals of The Missouri Botanical Garden) Hybrids between Iris versicolor and Iris virginica They are characterized as more robust than either species and partially sterile. Usually exhibiting purple based foliage.

See below:

• * References
• * Chromosome counts
• * Synonyms
• * Variations
• * Hybrids
• * Distribution and Cultivation

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References:

Iris orjenii Bräuchler & Cikovac, Willdenowia 37: 221 (2007).
3 photos from By Orjen (Own work by uploader, Pavle Cikovac) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons. More information on Wikipedia

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Synonyms

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Chromosome counts

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Variations

Iris xrobusta cultivars:. 'Beetroot', 'Brighter Days', 'Cast Ashore', 'Currierser And Currierser', 'Dark Aura'. 'Gem Dandy', 'Gerald Darby', 'Indomitable', 'Mountain Brook', 'Norris Lavender', 'Nutfield Blue', 'Park Spark'.

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Hybrids

Iris xrobusta crosses

• Iris ensata X Iris xrobusta; 'Rodnaya Ukraina'

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Distribution and Cultivation

Distribution: Region:
Cultivation: seems to be the same as most bearded irises with perhaps a special emphasis on good drainage

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Interested in Iris Species? Please visit the: Species Iris Group of North America website.

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-- BobPries - 2011-03-07