R. ecae, pictured in Curtis's Botanical Magazine (1899) vol. 125, as R. xanthina, Tab 7666: "Fig. 1 and 2, Petals; 3, fruit, both of nat. size; 4, carpel, enlarged."Courtesy of botanicus.org and Missouri Botanical Garden, with accompanying text describing it as found by Dr. Aitchison in the Kuram Valley of Afghanistan.
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