2. Bombax cyathophorum var. longipes Hassl. in Repert. Spec. Nov. Regni Veg. 12: 255. 1913.

Holotypus: PARAGUAY. Amambay: “In altaplanitie Sierra de Amambay ”, V.1912 -1913, Hassler, E. 11240a (G [G00094608]! [lf, fl]) . Isotypi: (G [G00094607]! [lf, fl], P [P06622841]! [lf, fl]) .