Scirpus praetextatus Edgar
Thick tufts. Stems rather lax, 3-30 cm high. Leaf sheaths usually dark red-purple. Inflorescence ± semicircular in outline, of 2-5 spikelets, almost black at base, lighter green at tips, with long rigid bract. Stamens 2-1. Style-branches 3. Nut trigonous, cream.
N. Near Wellington. S. Westland; Fiordland; Southland. St., A., C. Coastal peat banks.