Phyllostegia parviflora (Gaudich.) Benth. var. canescens Sherff, Amer. J. Bot. 21: 700. 1934. Type information: Holotype [US]. U. S. Expl. Exped. s.n.. 1840. Maui: West Maui, mountains. =Phyllostegia parviflora var. parviflora