Perennial of the Brassicaceae family, native to the mountainous regions of the northern Mediterranean rim, from the Iberian Peninsula to the Balkans, including the southern Alps and the Apennines, where it colonizes limestone cliffs, rocky screes, and old walls, often in very exposed and well-drained situations.
It forms semi-woody clumps at the base, 20-40 cm, with oblong, softly pubescent leaves of a grayish-green. In April-May, it produces clusters of bright yellow to sulfur-yellow flowers, of classic design for the family, with four petals. But it is especially its fruit that makes it immediately recognizable and gives it its name: a swollen, bladdery silicle, almost spherical, translucent when mature, pale green then papery beige, which persists long on the plant and gives it prolonged ornamental appeal well after flowering. The epithet utriculata — in the shape of a wineskin — precisely designates this characteristic silicle.
A plant of full sun and limestone, it requires perfect drainage and easily withstands summer drought and windy exposures. It is suitable for rockeries, walls, dry calcicolous gardens, and Mediterranean or alpine-style borders. Its cultivation is easy in suitable conditions, and its grayish foliage combined with its decorative fruits make it a plant of discreet but persistent ornamental interest over a long season.