Native selection made from woods on the L.B. Major farm, at the mouth of the Green River near Henderson, Henderson County, Ky. Other selections from the same woods include Major and Hinton. Introd. by T.P. Littlepage in 1911. Nut: oval elliptic with obtuse apex and base; laterally compressed in cross section; ridges on shell; 70 nuts/lb, 49% kernel; kernels golden in color, with wide dorsal grooves and deep, wide basal cleft. Protogynous, with midseason pollen shed and early pistillate receptivity. Not appropriate for the far north, due to late nut maturity. Scab resistant in north. Greenriver has a unique isozyme genotype: cc for phosphoglucose isomerase. Recommended (1990) in Arizona, Kentucky, and Tennessee. Origin: Tree: Fruit: