Classification
Class
Magnoliopsida Brongn.
Order
Poales Small
Family
Cyperaceae Juss.
Genus
Machaerina Vahl
 Nomenclature
Scientific Name:
Machaerina complanata (Berggr.) T.Koyama, Bot. Mag. (Tokyo) 69 (1956)
Synonymy:
  • ≡ Cladium complanatum Berggr., Minneskr. Kongl. Fysiogr. Sällsk. Lund 8: 23, t.6, f.1-5 (1878)
  • ≡ Baumea complanata (Berggr.) S.T.Blake in Blake, 8: 29 (1969)
 Description

Tufted and lfy. Culms 50–90 cm. × c. 3 mm., smooth, ± compressed. Lvs ± = culms, 4–8 mm. wide, flat, distichous, isobilateral equitant, striated, pale green, tip acute, margins glab. Panicle 15–50 cm. long, narrow, erect from a long sheath with short lamina; branchlets flexible, fascicled from upper sheaths. Spikelets , c. 5 mm. 1ong, light red-brown, 2–3-fld, 1–2 fls fertile. Glumes 5–6, ovate, acuminate or acute, chartaceous, striped with brown, scabrid on back towards tip, margins minutely ciliate. Nut, including beak, c. 4 × 2 mm., trigonous, red-brown, very shortly stipitate, narrowed above to a long, triquetrous, scabrid beak.

[From: Moore and Edgar (1970) Flora of New Zealand. Volume 2. as Baumea complanata (Berggr.) S.T.Blake]

 Biostatus
Indigenous (Endemic)
 Bibliography
Berggren, S. 1877: Några nya eller ofullständigt kända arter af ny-zeeländska fanerogamer. Minneskrift Utgifven af Kongl. Fysiografiska Sällskapet i Lund 8: 21–24.
Blake, S.T. 1969: Studies in Cyperaceae. Contributions from the Queensland Herbarium 8: 1–48.
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Townsend, A.J. 2009: Threatened and uncommon plants of New Zealand (2008 revision). New Zealand Journal of Botany 47: 61–96. [as Baumea complanata (Berggr.) S.T.Blake] [Nationally Vulnerable]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76. [as Baumea complanata (Berggr.) S.T.Blake]
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. [Nationally Vulnerable]
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. [Nationally Vulnerable]
Koyama, T. 1956: Taxonomic Study of Cyperaceae V. Botanical Magazine (Tokyo) 69: 59–67.