Scientific Name:
Celmisia petriei Cheeseman, Man. New Zealand Fl. 311 (1906)

Stout tufted herb with strict, rigid, coriac. lvs; lf-sheaths densely imbricate around stems. Lamina (15)–20–30–(50) × 1–2–(3) cm., linear-lanceolate, acuminate, subpungent; upper surface glab., with a stout pair of ribs (sts doubled) parallel to rather obscure midrib (sts with a further pair ± developed); lower surface completely clad in closely appressed white satiny tomentum, midrib and lateral pair evident; margins ± recurved, gradually narrowed to sheath or with very short petiole; sheath (4)–5–8 cm. long, coriac., finely grooved, midrib prominent, both surfaces clad in deciduous white satiny tomentum. Scape ± 2–5 dm. long, stout, clad in dense floccose hairs; bracts narrow-linear; lower with lamina up to c. 8 cm. long. Capitula 3–4 cm. diam.; phyll. linear-subulate, acuminate, up to c. 17 mm. long, pale brown, ± floccose-hairy on back, glab. within, midrib evident. Ray-florets ± 17–20 mm. long, tube narrow-cylindric, limb narrow-oblong. Disk-florets 6–7 mm. long, tubular, teeth minute. Achenes cylindric, grooved, 2–3 mm. long, with minute stiff white hairs on ribs. Pappus-hairs up to c. 7 mm. long, slender, minutely barbellate.

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

Indigenous (Endemic)
Cheeseman, T.F. 1906: Manual of the New Zealand Flora. Government Printer, Wellington.
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]