Jostaberry Jostaberry The jostaberry ("Ribes" × "nidigrolaria") is a complex-cross fruit bush in the genus "Ribes", involving three original species, the black currant "R. nigrum", the North American coastal black gooseberry "R. divaricatum", and the European gooseberry "R. uva-crispa". It is similar to "Ribes × culverwellii", the Jochelbeere, which is descended from just two of these species, "R. nigrum" and "R. uva-crispa". The cultivated plants are tetraploid. They are descended from two separate first-generation crosses, both of which produced very few fruit. Fertile tetraploids were produced using colchicine. The name "Jostaberry" was created via combining the German words for blackcurrant and
Ribes viburnifolium green and shiny on their top surfaces, and lighter green or yellowish and leathery on the undersides. The leaves have glands which exude a sticky, citrus-scented sap. Clusters of deep red flowers bloom in late winter and into early spring. The plant yields small red fruits later in the spring. Ribes viburnifolium Ribes viburnifolium, is an uncommon North American species in the gooseberry family. It is known by the common names Catalina currant, Santa Catalina Island currant, island gooseberry and evergreen currant. "Ribes viburnifolium" is found in Southern California in the United States, especially on Santa Catalina Island in the