Prasium macrophyllum Gaudich. , Voy. Uranie 453. 1829.
Type information:
Holotype [P]. C. Gaudichaud-Beaupré s.n.. 1819.

Note: Based on the distribution of this species, Gaudichaud probably collected the type on Hawai`i. St. John treated this collection as mixed, using the short infructescence as the holotype of P. interrupta H. St. John.

=Phyllostegia macrophylla
Note: Based on the distribution of this species, Gaudichaud probably collected the type on Hawai`i. St. John treated this collection as mixed, using the short infructescence as the holotype of P. interrupta H. St. John.

*Verification: W.L. Wagner.