Scientific Name:
Puccinellia walkeri (Kirk) Allan, Bull. New Zealand Dept. Sci. Industr. Res. 49. 157 (1936)
  • Poa walkeri Kirk, Trans. New Zealand Inst. 17: 224 (1885)
  • Atropis walkeri (Kirk) Cheeseman, Man. New Zealand Fl., ed. 2, 203 (1925)
  • = Glyceria novae-zealandiae Petrie (1901)
  • Atropis novae-zealandiae (Petrie) Hack in Cheeseman, Man. New Zealand Fl. 915 (1906)
  • Puccinellia novae-zealandiae (Petrie) Allan & Jansen, Trans. Roy. Soc. New Zealand 69: 266 (1939)

Erect, bluish green or light green to pale brownish green, stiff, dense, very leafy tufts, (6)–10–50 cm, with uppermost leaves usually overtopping culms; branching intravaginal. Leaf-sheath glabrous, firmly membranous, striate. Ligule 0.6–3 mm, obtuse or truncate, or sometimes tapered centrally and acute, glabrous, entire. Leaf-blade 5–25 cm × 5–10 mm, folded, or sometimes almost flat and wider, abaxially glabrous, adaxially shallowly ribbed, ribs sparsely scabrid; margins scabrid, tip smooth, ± firmly acute, sometimes subobtuse and ± apiculate. Culm usually hidden by sheaths, internodes glabrous. Panicle ± overtopped by leaves, linear-lanceolate, erect, contracted, dense; branches stiff, erect, sometimes ± spreading at maturity. Spikelets (3)–5–9 mm, 2–5-flowered, bluish green or sometimes purplish. Glumes ± unequal, narrow-lanceolate to elliptic-oblong, subacute; lower 1.5–3.6–(4.2) mm, 1–3-nerved, upper 2–4.5–(5) mm, 3–5-nerved. Lemma 3–5 mm, 5–7-nerved, elliptic-oblong, usually with a few hairs at base and on nerves near base or to c. midway. Palea ≤ lemma. Rachilla 0.8–1.5–(1.8) mm. Anthers (0.6)–0.8–1.5 mm. Caryopsis (1.5)–1.8–2.6 × 0.4–0.8 mm.

[From: Edgar and Connor (2000) Flora of New Zealand. Volume 5 (second printing).]

Indigenous (Endemic)
Number of subspecific taxa in New Zealand within Puccinellia walkeri (Kirk) Allan
Indigenous (Endemic)3
Allan, H.H. 1936: An Introduction to the Grasses of New Zealand. Wellington.
Allan, H.H.; Jansen, P. 1939: Notes on the Puccinelliae of New Zealand. Transactions of the Royal Society of New Zealand 69: 265–269.
Cheeseman, T.F. 1906: Manual of the New Zealand Flora. Government Printer, Wellington.
Cheeseman, T.F. 1925: Manual of the New Zealand Flora. Edition 2. Government Printer, Wellington.
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. [Naturally uncommon]
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. [Naturally Uncommon]
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. [Naturally Uncommon]
Edgar, E. 1996: Puccinellia Parl. (Gramineae: Poeae) in New Zealand. New Zealand Journal of Botany 34: 17–32.
Edgar, E.; Connor, H.E. 2010: Flora of New Zealand Volume V Grasses. Edition 2. Manaaki Whenua Press.
Kirk, T. 1885 ("1884"): On the Flowering Plants of Stewart Island. Transactions of the New Zealand Institute 17: 213–228.