Iris grossheimii is a plant species in the genus Iris, subgenus Iris and section Oncocyclus. It is a rhizomatous perennial, from the Caucasus Mountains of Georgia, Armenia and Azerbaijan. It has sickle shaped leaves, which are as long as the short stem, which carries one flower in spring. It is beige, pink or brown covered in dark lines that are, purple-brown or brown. It has a large blackish brown signal patch and brown or black beard. It is rarely cultivated as an ornamental plant in temperate regions, as it needs very dry conditions during the summer.

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