Origin: in Chico, Calif., by W. Van Fleet, U.S. Dept. of Agriculture. Rubus kuntzeanus × Cuthbert; cross made in 1910 at Chico; seed from this cross planted in 1911 in Glenn Dale, Md.; seed of R. kuntzeanus collected in 1907 in China by H.E. Wilson, then planted and fruited in Chico; introd. in 1924. Tree: very vigorous; productive; adapted to warm climates with low chill hours. Fruit: red; medium size; too soft for commercial use, subacid, pleasant, dessert quality fair to good; drupelets small; ripens late, with a season of about 5 weeks.
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