Origin: in Davis, Calif., by E.F. Serr and H.I. Forde, California Agr. Expt. Sta. Introd. in 1968. Waterloo × Payne. Cross made in 1951; selected in 1957; tested as UC 52-48. Nut: large; pointed; shell seal good; kernel 54% of nut, quality good; 70% of those tested had light-colored kernels; matures midseason or later. Tree: productive; leafs out 5 days after Payne; 50% of lateral buds producing pistillate flowers; best adapted to cooler, semi-coastal regions; husk fly and blight control are needed where present. Named after a city in the Santa Ynez Valley. Fruit:
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