4506972 228981 Chaetocalyx subulatus Mackinder
Kew Bull., vol. 45(): : p. 588, fig. 1 (1990) [T. Galloway]

4507432 799762 Piptadenia obliqua (Pers.) J.F.Macbr. [80 672950 Mimosa obliqua Pers.]
Kew Bull., vol. 46(): : p. 161, fig. 1 (1991) [T. Galloway]

4507442 799794 Piptadenia santosii G.P.Lewis
Kew Bull., vol. 46(): : p. 163, fig. 2 (1991) [T. Galloway]