Classification
Class
Magnoliopsida Brongn.
Order
Poales Small
Family
Gramineae Juss.
Genus
Poa L.
 Nomenclature
Scientific Name:
Poa aucklandica subsp. rakiura Edgar, New Zealand J. Bot. 24: 467-468, Figs 7 & 26 (1986)
Etymology:
The epithet rakiura refers to the type locality (Stewart Id) as Rakiura is the Maori name for Stewart Island.
 Description

Slender lax tufts with culms 15–40 cm. Leaf-sheath glabrous or sometimes shortly pubescent-scabrid near margins. Ligule (0.5)–1–2 mm. Leaf-blade (4)–8–20 cm, flaccid, soft, flat to folded, occasionally entirely smooth or with finely scabrid midrib and margins. Panicle 4–7.5 cm. Spikelets 5.5–7.5 mm. Glumes ± unequal, elliptic, acute; lower 3–4.5 mm, upper 4–5 mm. Lemma 3.5–4.5 mm, oblong-elliptic, obtuse. Palea 3–4 mm. Anthers 0.5–0.7 mm.

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

 Biostatus
Indigenous (Endemic)
 Bibliography
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. [Nationally Critical]
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.
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 Critical]
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 Critical]
Edgar, E. 1986: Poa L. in New Zealand. New Zealand Journal of Botany 24: 425–503.