Nomenclature
Scientific Name:
Aciphylla horrida W.R.B.Oliv.
 Description

Similar in habit to A. ferox. Lvs pinnate (2–(3) pairs,) up to c. 8 dm. long; sheaths thick and coriac., c. 5 cm. wide at base, narrowing to 3 cm.; stipules simple, ± (10)–15–(25) cm. long, pungent. Petioles thick, coriac., ribbed; margins cartilaginous, serrulate; internodes short. Primary pinnae up to c. 4 dm. × 2–(3) cm., very coriac., finely striate, midrib obscure, us. strongly curved, lanceolate, margins serrulate, apex. pungent. Stems ± 1·5 m. tall, stout, strongly grooved, flowering through most of their length; infl. broad. Bracts ∞, the lower empty, or with ill-developed umbels. Bract-sheath ± 55 × 35 mm.; stipules up to 75 × 7 mm., distinctly ribbed; lamina simple, lanceolate, up to c. 185 × 15 mm., narrowing from widest part ± ⅔ way. Umbels ± = bract-sheaths; rays ∞, up to 3 cm. long. Umbellules of male plants on long slender rays, of females on shorter rays. Involucral bracts lanceolate. Fr. c. 4 mm. long; mericarps with 2 or 3 broad wings.

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

 Biostatus
Indigenous (Endemic)
 Bibliography
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]