Phyllostegia cernua H. St. John , Phytologia 63: 173. 1987.
Type information:
Holotype
[BISH]. L. W. Cuddihy and J. Davis 770. 4 March 1981. Hawai`i: North Hilo Dist., Laupahoehoe section of Hilo Forest Reserve.3100ft. Isotype(s)
[BISH!].
=Phyllostegia macrophylla