Parkinsonia praecox (Ruiz & Pav. ex Hook.) Hawkins, Pl. Syst. Evol. 216(1-2): 63. 1999 sec. Ricker & al. 2013
- ≡Caesalpinia praecox Ruiz & Pav., Ruiz & Pav. apud Lopez, An. Inst. Bot. A. J. Cavan. 14. 734. 1956 syn. sec. ???
- ≡Cercidium praecox (Ruiz & Pav. ex Hook. & Arn.) Harms, Bot. Jahrb. Syst. 42(1): 91. 1908 syn. sec. ???
- =Cercidium plurifoliolatum Micheli, Mém. Soc. Phys. Genève 34: 269, t. 18. 1903 syn. sec. ???
- =Cercidium goldmanii Rose, Contr. U.S. Natl. Herb. 8: 301. 1905 syn. sec. ???
- =Cercidium unijugum Rose, Contr. U.S. Natl. Herb. 8: 301. 1905 syn. sec. ???