Plant Register ID: 2009/0908flower/fruit1 m tall; silique to 100 mm long wiht 1 obvious nerve. Cauline leaves narrow lanceolate, entire except for 2 basal hastate lobes. Petals yellow 6-7 mm long, c. 2 x sepal length. Sepals sparsely hairy, exceeded by stamen filaments. Silique with seeds in 1 row/valve.