 
    
    
     
    
    Caption: Senna . A-E , S. planitiicola . A , habit (G.M.Chippendale 7165, AD); B , adaxial staminode; C , median anther; D , largest anther (lateral abaxial); E , abaxial staminode (B-E , G.M.Chippendale 3979, AD). F-J , S. clavigera . F , habit (R.Coveny 14419, AD); G , adaxial staminode; H , median anther; I , largest anther (lateral abaxial); J , abaxial staminode (G-J , Blaxell & Pickard 228, AD).Illustrators: Beth Chandler. 
Flora of Australia  Volume 12 (1998) figure 84.