Justicia thailandica A habit B magnifying the portion of leaf blades showing the tomentum C adaxil surface of inflorescence bract D abaxil surface of inflorescence bract E bract F bracteoles G calyx H corolla I dorsal view of the anther J frontal view of the anthers K pistil with nectary disc L, M opened capsule N capsule with calyx O seed. (Drawn by Cui Dinghan from the holotype van Beusekom et al. 3759).