1. Bombax cyathophorum var. latifoliolatum Hassl. in Repert. Spec. Nov. Regni Veg. 12: 255. 1913.

Holotypus: PARAGUAY. Amambay: “In altaplanitie Sierra de Amambay ”, V.1912 -1913, Hassler, E. 11240 (G [G00094602]! [lf, fl]) . Isotypi: (G [G00094600]! [lf, fl], G [G00094601]! [lf, fl], G [G00094603]! [lf, fl], K! [lf], K! [lf, fl], P [P06622842]! [lf, fl]) .