Origin: as chance seedling in Gunnison, Miss., discovered in 1952 by Edward Harris. Introd. in 1960. Plant patent 2051; issued 25 Apr. 1961; assigned to Simpson Nursery Co., Monticello, Fla. Parentage unknown; once thought to be Stuart × Schley, but that parentage is inconsistent with isozyme patterns (Schley and Stuart are aa for phosphoglucose isomerase, while Harris Super is ab). Nut: oblong with long acute apex and obtuse base; round in cross section; shell heavily specked, prominently ridged; 50 nuts/lb, 53% kernel; kernels with wide dorsal grooves, deep secondary dorsal grooves, wrinkled texture. Protogynous. Precocious and prolific. Some scab resistance in Georgia, but very susceptible in Florida. Not recommended for planting in any state. Tree: Fruit:
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