Classification
 Nomenclature
Scientific Name:
Macrolearia lyallii (Hook.f.) Saldivia in Saldivia et al., Syst. Bot. 47: 627 (2022)
Synonymy:
  • Eurybia lyallii Hook.f., Bot. Antarct. Voy. I. (Fl. Antarct.) Part II, 543-544 (1847) pro parte
  • Olearia lyallii Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 116 (1853)
TYPE: NEW ZEALAND. Auckland Islands Group, Ewing Island, 1841, D. Lyall s.n. (holotype: K 882063 Herbarium Hookerianum)
  • = Olearia colensoi var. grandis G.Simpson, Trans. Roy. Soc. New Zealand 75: 198 (1945)
TYPE: NEW ZEALAND. Stewart Island/Rakiura, Peterson’s Inlet, G. Simpson s.n. (lectotype: CHR 48087A designated by Allan 1961: 661; isolectotypes: CHR 48087B, CHR 75171A, CHR 75171B
 Description

Shrub or tree up to 10 m. tall; trunk up to 6 dm. diam.; branchlets stout, densely white-tomentose. Lvs 10–25 cm. long including petiole up to 5 mm. or more long, elliptic-ovate to ovate-orbicular, abruptly acute to acuminate, clad in dense white woolly tomentum below, irregularly doubly crenate. Racemes up to 26 cm. long with pedicels up to 8 cm. long subtended by woolly bracts. Capitula 3–4 cm. diam.; phyll. ∞ in several series, linear-oblong, acute, glab. except towards tips and on margins; florets dark brown; achenes 7 mm. long, ribbed, densely pilose; pappus-hairs up to 8 cm. long, dull white.

[From:  Allan (1961) Flora of New Zealand. Volume 1. as Olearia colensoi var. grandis G.Simpson]

 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. [as Olearia lyallii Hook.f.] [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. [as Olearia lyallii Hook.f.] [Naturally Uncommon]
Drury, D.G. 1969: A Clarification of the Generic Limits of Olearia and Pleurophyllum (Astereae Compositae). New Zealand Journal of Botany 6: 459–466. [as Olearia colensoi var. grandis G.Simpson; Olearia lyallii Hook.f.]
Hooker, J.D. 1845–1847 ("1847"): 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 II. Botany of Fuegia, the Falklands, Kerguelen's Land, etc. Reeve, Brothers, London.
Hooker, J.D. 1852–1853 ("1853"): 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. II. Flora Novae-Zelandiae. Part I. Flowering plants. Lovell Reeve, London.
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.
Simpson, G. 1945: Notes on Some New Zealand Plants and Descriptions of New Species (No. 4). Transactions of the Royal Society of New Zealand 75: 187–202.
Wardle, P.; Field, T. R. O.; Spain, A. V. 1971: Biological Flora of New Zealand. 5. Olearia colensoi Hook. f. (Compositae) Leatherwood, Tupari. New Zealand Journal of Botany 9: 186–214. [as Olearia colensoi var. grandis G.Simpson; Olearia lyallii Hook.f.]