9. Bombax marginatum var. cuspidatum Hassl. in Repert. Spec. Nov. Regni Veg. 12: 256. 1913.

Holotypus: PARAGUAY. Amambay: “Cerrados region C. Margarita”, II.s.a., Hassler, E. & T. Rojas 11005 (G [G000 94596]! [lf, fl]) .