Monographs Details: Chamaecrista cytisoides var. unijuga (Benth.) H.S.Irwin & Barneby
Authors:Howard S. Irwin, Rupert C. Barneby
Authority: Irwin, Howard S. & Barneby, Rupert C. 1982. The American Cassiinae. A synoptical revision of Leguminosae tribe Cassieae subtrib Cassiinae in the New World. Mem. New York Bot. Gard. 35, part 2: 455-918.
Family:Caesalpiniaceae
Discussion:1f. Chamaecrista cytisoides (Colladon) IB  var. unijuga (Bentham) IB, comb. nov. C. brachystachya var. unijuga Bentham in Martius, Fl. Bras. 15(1): 139. 1870.