Phyllostegia retrorsa H. St. John , Phytologia 63: 180. 1987.
Type information: Holotype
[BISH]. J. F. Rock s.n.. 8 May 1961. Hawai`i: Hilea forests.
=Phyllostegia macrophylla
*Verification: M. Strong, W.L. Wagner; Wagner, W.L. 1999. Novon 9:265-279.