Classification
 Nomenclature
Scientific Name:
Pleurophyllum speciosum Hook.f., Bot. Antarct. Voy. I. (Fl. Antarct.) Part I, 31, t. 22,23 (1844)
Synonymy:
TYPE: NEW ZEALAND. Lord Auckland’s group, top of the hill above Rendezvous Harbour, 1840, J. D. Hooker s.n.? (lectotype: K 882119 Herbarium Hookerianum designated by Allan 1961: 610
  • = Pleurophyllum speciosum var. suberecta Kirk, Stud. Fl. New Zealand 278 (1899)
Vernacular Name(s):
Campbell Island daisy; giant emperor daisy; goblet aster
 Description

Radicals lvs 15–45 × 10–25 cm., appressed to ground or ascending, broadly obovate to subrhomboid, narrowed to broad base, coriac., margins remotely and indistinctly crenate to subentire, hydathodes hidden by tomentum; lateral veins ridged, almost as strong as midrib. 15–30; lamina loosely tomentose below, pilose on and near veins above and with ∞ moniliform hairs on surface. Scapes stout, up to 1m. tall, tomentose above; lower lvs c. 15 cm. long, ± oblong, upper diminishing gradually to bracts. Capitula c. 6 cm. diam. including long ray-florets, c. 25 in subcorymbose racemes; ray-florets pale purple to white, disk-florets purple. Phyll. ± clad in moniliform hairs, acute. Achenes densely strigose. Pappus-hairs not thickened above.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Dec.–Feb.; Fruiting: Jan.–May.

 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. [Naturally uncommon]
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. [Naturally Uncommon]
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. [Naturally Uncommon]
Hooker, J.D. 1844–1845: The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839–1843, under the command of Captain Sir James Clark Ross. I. Flora Antarctica. Part I. Botany of Lord Auckland’s Group and Campbell’s Island. Reeve, Brothers, London.
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z.
Saldivia, P.; Wagstaff, S.J.; Breitwieser, I.; Orlovich, D.A.; Lord, J.M. 2022: A generic taxonomic synopsis of the Pleurophyllum clade (Asteraceae: Astereae: Celmisiinae) with the recognition of the New Zealand endemic new genus Macrolearia. Systematic Botany 47(2): 607–634.