Rhubarb, or pieplant, as it is more commonly called, is one of the hardiest and at the same time a most delicious fruit.    From Wordnik.com.  [Trees, Fruits and Flowers of Minnesota, 1916 Embracing the Transactions of the Minnesota State Horticultural Society,Volume 44, from December 1, 1915, to December 1, 1916, Including the Twelve Numbers of "The Minnesota Horticulturist" for 1916] Reference