Shrub 70-80 cm high, not aromatic. Leaves below and young shoots greyish-white. Corolla deep violet-blue, i.e. lower lip (upper lip absent); central lobe of lower lip sloping downwards, 1.6-1.7 x 0.9-1 cm; ± broad oblong except for small apical lobule; main lateral lobe pair 0.9-1 cm long, narrow triangular-elliptic; basal lobe pair much shorter. Stamens curling forward over corolla lip; filaments pale mauve; anthers purple.