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 velutinum Ribes velutinum Ribes velutinum is a species of currant known by the common name desert gooseberry. It is endemic to the deserts and mountains of the Western United States. It is native to areas in Montana, Idaho, Washington, Oregon, Utah, Nevada, California, and Arizona), It grows in many types of habitat, including sagebrush scrub, pinyon-juniper woodland, and yellow pine forest. "Ribes velutinum" is a spreading shrub with a thick, arching, multibranched stem growing up to 2 meters (80 inches) long. Nodes along the stems are armed with spines which may reach 2 centimeters (0.8 inch) in length. These are spines,