Scientific Name:
Aciphylla kirkii Buchanan, Trans. & Proc. New Zealand Inst. 19: 214 (1886 [1887])

Plant forming rigid tufts up to c. 3 dm. tall including infl. Lvs up to ± 20 × 2 cm.; sheaths thin, ± 5 × 1cm.; stipules lflike, up to 5 cm. × 5 mm., stiff, coriac., oblong, abruptly narrowed to pungent apex (rarely vestigial); petioles up to c. 1 cm. long; pinnae 1–(2) pairs, similar to stipules, very thick and coriac., margins much thickened, abruptly narrowed to pungent tips. Stems of male plants stout, strongly grooved, up to 4 dm. × 8 mm. including infl. c. 15 cm. long. Bracts rigid, erect, lower stipuled, upper us. simple; sheaths very short, stipules spreading, ± 2 cm. long; lamina narrow-oblong, up to 4 cm. × 2–3 mm., pungent. Umbels several, on very short rays. Stems of female flexuous, finely grooved; infl. 5–10 cm. long; Umbels several, ± 5–10-fld, fls sessile or nearly so. Fr. c. 5mm. long; mericarps 4–5-winged; vittae 1–2 per furrow, us. 4 commissural.

[From:  Allan (1961) Flora of New Zealand. Volume 1.]

Indigenous (Endemic)
Buchanan, J. 1887 ("1886"): On some New Native Plants. Transactions and Proceedings of the New Zealand Institute 19: 213–216.
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]