An erect, thorny, large-fruited, high-quality blackberry for fresh market. Origin: Fayetteville, Ark., by J.R. Clark and J.N. Moore, Univ. of Arkansas. Ark. 842 × Ark. 1246; cross made in 1985; selected in 1988; tested as Ark. 1647; introd. in 1999. USPP 11,861; 8 May 2001. Tree: erect canes; vigorous; thorny; very productive, exceeding that of Shawnee in some trials; blooms 4 days before Shawnee; winter hardy in trials in Arkansas; moderately resistant to anthracnose; reaction to rosette and orange rust is unknown. Fruit: very large (8–11 g); long and cylindrical; firm, but do not store as well as Navaho but improved in storage compared to Shawnee; attractive and glossy; excellent flavor; soluble solids 9.6%; fresh seed weight 9.1 mg; ripens 3 days later than Shawnee.
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