Metrosideros collina (J. R. Forst. & G. Forst.) A. Gray var. macrophylla Rock, Hawaii, Board Agric. Forest. Bot. Bull. 4: 58. 1917.
Type information:
Holotype [BISH]. J. F. Rock 12630. -24 April 1916. Hawai`i: [along Volcano Road], near Olaa-Mountain View, [wet forest].1200ft.
=Metrosideros polymorpha var. macrophylla