Origin: in New Memphis, Clinton County, Ill., by Joseph Gerardi, Louis Gerardi Nursery, O'Fallon, Ill. Introd. in 1931 by J.G. Duis; named in 1927 by Arthur S. Colby, Illinois Agr. Expt. Sta., Urbana. Carya × nussbaumeri; pecan × shellbark hickory; direction of cross unknown; discovered in 1893. Nut: matures earlier than most northern pecans; more productive than McCallister, less than Burlington, which is smaller but earlier; to produce a plump meat, good culture and protection from shuckworm and curculio are necessary. Tree: protogynous, apparently pollinated by various hickories and McCallister hican; flowers early at Urbana. Fruit:
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