Scientific Name:
Isolepis pottsii (V.J.Cook) Soják, 148: 194 (1980 [1979])
  • Scirpus pottsii V.J.Cook (1953)

Tufts lfy from an ascending rhizome c. 1 mm. diam. Culms (6)–10–25–(40) cm. × c. 0.5 mm. Lvs 1–4, us. < culms, c. 0.5 mm. wide, linear, concavo-convex, sheath membr. with red-purple nerves, orifice truncate. Infl. apparently lateral, of (1)–3–4–(6) spikelets; subtending bract 1–3–(4) cm. long. Spikelets 2.5–4 × 1.5–2 mm., ovoid or elliptical. Glumes c. 1.5 mm. long, lanceolate, acute, dark red, almost black, or pale cream with red markings, keel green, strongly developed, excurrent. Hypog. bristles 0. Stamens 1–(3). Style-branches 2, or 3. Nut c. 1 mm. long, slightly > 0.5 mm., diam., biconvex, rarely trigonous, elliptical, distinctly mucronate, dull yellow to yellow-brown, with minutely reticulate but glossy surface.

[From: Moore and Edgar (1970) Flora of New Zealand. Volume 2 as Scirpus pottsii V.J.Cook]

Indigenous (Endemic)
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [Not Threatened]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [Not Threatened]
Muasya, A.M.; Simpson, D.A. 2002: A monograph of the genus Isolepis R.Br. (Cyperaceae). Kew Bulletin 57(2): 257–362.
Soják, J. 1979: Fragmenta phytotaxonomica et nomenclatorica. 2. Casopis Narodniho Musea. Oddil Prirodovedny. Prague 148: 193–209.