1949, van Waveren
'Professor Blaauw' (H. S. van Waveren). ('White Perfection' x Iris tingitana Boiss. & Reuter var fontanesii (Godron) Maire) flowers gentian-blue, narrow yellow stripe, early flowering. A.M.-B.C. 1949, T.G.A.-B.C. 1950.--KAVB. A hybrid Dutch Iris.
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