No. Cultivar Name Source Plant Size Leaf Color Variegation Var Color Origin Flower Color Season Registered 1 'Ulan' Becherer, Josef Medium Med-Green - - Hybrid Light-Purple - --NR-- 2 'Undine' Schuster, Eberhard & Syre-Herz, Ursula Giant Dark-Green - - Hybrid Pale-Lavender June into July --NR-- 3 'Undulata Nana' Klose, Heinz Small Med-Green - - Unknown - - --NR-- 4 'Ussuri' Unknown Large Blue/Green Marginal Yellow Unknown - - --NR--
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