[f. the Maori name + GRASS sb.1] A New Zealand grassy sedge, Carex appressa.
1884. Miller, Plant-n., Carex appressa, Otago Tupak-grass.
1901. A. Trotter, E. Galloway Sk., 319/2. He advocated a plan for making tracts of sand productive by planting them with Tupac grass.
