Railliardia platyphylla A. Gray var. leptophylla Sherff, Amer. J. Bot. 20: 619. 1933.
Type information:
Holotype
[GH]. J. F. Rock 8578. October 1910. Maui: Haleakala, on Pu`unianiau Crater. Isotype(s)
[BISH! [6], [photo F!], F!, GB!, GH!, K!, NY!, UC!, US!].