yes, scent is common, I think they all have a scent? Some are spicy, some are sweet, some are described as smelling like grapes or lemons ect. Your iris will probably never be identified with certainty. There are simply hundreds of purples and yellows-too many too similar to differentiate. If you are really needing only named ones, you can give those away (preferably mail them to me!) and then order you some from a reputable farm. Otherwise just enjoy them as noids. (no identification). You can certainly 'name' them yourself just for your own record and enjoyment. Just be sure not to confuse them with any you have that are named and do not ever sell or give them to anyone using your pretend name.
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