Annual herbs, erect, branched mostly from the base, densely hairy with short, branched, somewhat stellate and rough hairs. Leaves 2-pinnatisect; lobes short, narrow, linear or oblong. Racemes lax in fruit, ebracteate. Flowers small, white or pale lilac; pedicels short, inconspicuous, thickened in fruit, ascending or sub-erect. Sepals erect, not saccate at base. Petals about twice as long as the sepals, spathulate. Stamens 6, filaments not appendaged; anthers ovoid, obtuse. Lateral nectar glands annular, subhexagonal; middle narrowly torose, thickened in the middle, joining the laterals. Ovary linear, densely hairy, 22-28-ovuled; stigma depressed-capitate, subsessile. Siliquae linear, somewhat tetragonal, tapering above, erect, straight, bilocular, dehiscent; valves hairy, 1-veined; septum membranous with a distinct mid-vein; seeds 10-14 in each locule, oblong, slightly mucilaginous when wet.
A monotypic genus in Arabia, Syria, Iran and Pakistan.
Differs from Descurainia by its somewhat angular nectar glands, white flowers, tapering siliquae and short, thickened pedicels.
