Rollandia degeneriana E. Wimm. , in Degener & Degener, Fl. Hawaiiensis, fam. 339. Rollandia degeneriana. 1956.
Type information:
Holotype [W]. O. Degener , Park and Bush, Potter, & Topping 11484. 4 July 1935. O`ahu: Punalu`u [Mts.] Pig-God Trail, in forest at summit. Isotype(s) [A!, B! [2], G!, K!, MASS!, MO!, NY! [mfc!], RSA!, US!, W! [4]].

Note: Present disposition questionable, Wagner et al. 1990, 1999 refer to this species as a possible hybrid, but Lammers 2007 places it into synonymy with C. longiflora.

=Cyanea longiflora
Note: Present disposition questionable, Wagner et al. 1990, 1999 refer to this species as a possible hybrid, but Lammers 2007 places it into synonymy with C. longiflora.

*Verification: T.G. Lammers.