a variety of potato growing wild in the Cariboo region, said to have been first obtained from Russian traders in New Caledonia (def. 2) and planted during the goldrush days of the 1860's.
1966  We have been given some potato tubers which we were told were Russian potatoes and which were originally grown in British Columbia by early settlers in Likely.
1966  The Likely district grows wild and tame cherries, apples, plums, blackberries, large gooseberries, Russian potatoes, sugar maples, also cedars many hundreds of years old. . . .