Classification
 Nomenclature
Scientific Name:
Olearia pachyphylla Cheeseman, Trans. & Proc. New Zealand Inst. 42: 216 (1909 [1910])
Vernacular Name(s):
Thick-leaved tree daisy
 Description

Shrub up to 3 m. tall; branchlets stout, grooved, with appressed brownish tomentum when young. Lvs 7–13 × 5–6·5 cm., on stout grooved petioles up to 4 mm. long; somewhat obliquely ovate to ovate-oblong, coriac., glab. above when mature, clad in dense appressed silvery to brownish tomentum below; margins entire, undulate. Capitula ∞, up to 2 cm. long, in corymbs; phyll. 35–40 in c. 10 series, densely imbricate, woolly-tomentose on back, lowermost minute, upper c. 4 mm. long; florets 7–10. Pappus-hairs unequal, rather rigid, thickened and fimbriate at tips; achenes striate, silky-pubescent.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Fruiting: Mar.–May.

 Bibliography
Cheeseman, T. F. 1910 ("1909"): Some Recent Additions to the Flora of New Zealand. Transactions and Proceedings of the New Zealand Institute 42: 216–218.
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]