Definition of German iris
1 : any of several Old World bearded irises: such as a : a large purple-flowered to white-flowered iris (Iris germanica) native to central and southern Europe b : any of several chiefly European irises (as I. kochii and I. flavescens) usually considered to be closely related to or sometimes varieties of the German iris (I. germanica)
2 : any of numerous tall bearded horticultural irises derived from the wild German irises (especially Iris germanica) by hybridization and selection
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