Website/Catalog  (2012)  
 
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'Prins Claus', Gr, or, 1973, (Rosalynn Carter,, 'RUprins', 'Prince Klaus'), [Mischief × (Queen Elizabeth × Scania)], deRuiter; flowers coral-red with orange tones, 3½-4 in., 30 petals, high-centered, moderate, spicy fragrance; tall, vigorous, bushy, upright growth