ALEXANDRIA, Va., Dec. 16 -- United States Patent no. PP37,157, issued on Dec. 16, was assigned to GREENLEAF NURSERY Co. (Park Hill, Okla.).
"Cercis plant named 'JN31'" was invented by Ray Jackson (Belvidere, Tenn.) and Cindy Jackson (Belvidere, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A new cultivar of Cercis canadensis tree named 'JN31' that is characterized by its foliage colors that emerge bright yellow in color and change to chartreuse green in color when they mature, its foliage that is resistant to sun scorch in summer in Southern climates, its strong, upright branching habit, its tolerance to wind and ice damage, and its early winter dormancy with low winter injury."
The patent was filed ...