Struthanthus Mart. Struthanthus Mart. in Flora 13(1): 102–106. 1830 sec. Nickrent & al. 2010=Spirostylis C. Presl ex Schult. & Schult. f., Syst. Veg. (ed. 15 bis) 7(1): xvii, 163-164. 1829 syn. sec. Stevens 2001