Cyrtandra biformalis H. St. John , Phytologia 63: 470. 1987.
Type information:
Holotype [BISH]. P.K. Higashino and R.A. Holt 9184. 14 June 1980. Maui: Nâhiku quad., Ke`anae Valley, near Pi`ina`au Stream, U.S.F.W. Forest Bird Survey Transect 4.1870ft.

Note: Holotype: portion bottled. The pressed specimen of this collection could not be located and was not returned by St. John to the main BISH collection.

=Cyrtandra spathulata
Note: Holotype: portion bottled. The pressed specimen of this collection could not be located and was not returned by St. John to the main BISH collection.

*Verification: W.L. Wagner.

Cyrtandra biformalis H. St. John & W.N. Takeuchi , Phytologia 65: 211. 1988.
Type information:
Holotype [BISH]. W. Takeuchi and B. Tate 2999. 9 November 1986. O`ahu: Haiku, slopes of slick clay.240m. Isotype(s) [BISH!].

Note: Nom. illeg., non St. John (1987).

=hybrid of Cyrtandra laxiflora x C. propinqua
Note: Nom. illeg., non St. John (1987).

*Verification: W.L. Wagner.