Probably of Scottish origin. Known during WW1. Purple-blue skins, yellow flesh, attractive shape. Reputedly good flavour, but so far I have not been able to obtain seed.
I am grateful to Chris Hitchcock and William Whitehead for permission to photograph this sample, which was on display at Painswick Rococo Gardens during October 2008.
Pictures (click on small images for detail):
Nigel Deacon / Diversity website
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