|Phyllachne colensoi is a cushion plant that
grows on the higher western mountains. It often occurs in
relatively well drained microsites compared to the other cushion
plants of this region.
It has a distinctly yellow green colour compared to the other
cushion species with narrow, spirally arranged leaves (Abrotanella
novae-zelandiae and Dracophyllym
spp. and Colobanthus
spp. have yellowish foliage but have opposite leaves.