Perrenial herb, rigid, scabrid, up to 40 cm tall. Leaves linear to oblanceolate, up to 5 cm long, often acute, longitudinally recurved. Flowers white, fragrant, in dense racemes terminating the branches. Petals up to 14 mm long. Siliquas rigid, narrowly oblong, up to 17 mm long, often slightly curved or oblique. Septum dark brown, opaque.