The Duchess of Oldenburg is an apple variety.

Categories: Apple Apple cultivars
Parent of hybrid: Alkmene (apple) Northern Spy
Also known as:
English: Early JoeDuchessNew BrunswickQueen Mary
Wikidata ID: Q440726
Wikipedia title: Duchess of Oldenburg (apple)
References:
https://www.saltspringapplecompany.com/
https://pomiferous.com/applebyname/duchess-of-oldenburg-id-2452
Wikipedia article: Duchess of Oldenburg (apple)

Article content licensed under CC-BY-SA; image data under CC-BY-SA from Wikimedia Foundation

        
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