Abies firma, the momi fir, is a species of fir native to central and southern Japan, growing at low to moderate altitudes of 50-1600 m.Abies firma is a medium-sized to large evergreen coniferous tree growing to 50 metres (160 ft) tall and 2 metres (6 ft 7 in) in trunk diameter, with a broad conical crown of straight branches rising at an angle of about 20° above horizontal. The bark is scaly grey-brown, with resin blisters on young trees.