Rollandia st.-johnii Hosaka var. obtusisepala E. Wimm., in Engler, Pflanzenr. IV. 276b. (Heft 107): 762. 1953.
Type information:
Holotype [W]. O. Degener 19710. 27 June 1949. O`ahu: opposite Wiliwilinui Ridge overlooking Waimanalo. Isotype(s) [NY!].
=Cyanea st.-johnii

*Verification: T.G. Lammers.