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 speciosum Ribes speciosum Ribes speciosum is a species of flowering plant in the Grossulariaceae family, which includes the edible currants and gooseberries. It is a spiny deciduous shrub with spring-flowering, elongate red flowers that resemble fuchsias, though it is not closely related. Its common names are fuchsia-flowered gooseberry and Californian fuchsia. It is native to central and southern California and Baja California, where it grows in the scrub and chaparral of the coastal mountain ranges. "Ribes speciosum" is a spreading shrub which can reach in maximum height, its stems coated in bristles with three long spines at each stem node. The