Class
Order
Family
Genus
Classification
Nomenclature
Scientific Name:
Macrolearia colensoi (Hook.f.) Saldivia in Saldivia et al., Syst. Bot. 47: 625 (2022)
Synonymy:
- ≡ Olearia colensoi Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 155, t. 29 (1853)
TYPE: NEW ZEALAND. Island, Mount Hikurangi, 1844?, Colenso 195 (lectotype: K 340042 Herbarium Hookerianum designated by Allan 1961: 660; isolectotypes [probably]: K 340043 Herbarium Hookerianum, WELT SP23956
- = Olearia colensoi var. β Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 116 (1853)
- = Olearia colensoi var. argentea Allan, Fl. New Zealand 1, 660, 973 (1961)
TYPE: NEW ZEALAND. South Island, Dusky Bay, D. Lyall s.n. (holotype: K 882065 Herbarium Hookerianum)
Description
Shrub up to 3 m. tall; branchlets stout, clad in white to buff tomentum. Lvs 8–20 × 3–6 cm. including short petiole up to 5 mm. long, obovate to obovate-oblong, acute to subacute, coriac., irregularly serrate, glab. above when mature and ± rugose, clad in dense white to buff or fulvous appressed tomentum below. Racemes up to 20 cm. long, with lanceolate tomentose bracts subtending pedicels. Capitula 2–3 cm. diam.; phyll. in 1–2 series, linear, glab. or nearly so, up to 1 cm. long; florets all tubular, ♀ in one row; achenes compressed, pilose, 4 mm. long, grooved; pappus-hairs up to 6 mm. long, dull white.
[From: Allan (1961) Flora of New Zealand. Volume 1. as Olearia colensoi Hook.f.]
Biostatus
Indigenous (Endemic)
Phenology
Flowering: Nov.–Jan.; Fruiting: Dec.–Feb.
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. [as Olearia colensoi var. argentea Allan] [Naturally uncommon]
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 colensoi Hook.f. var. colensoi; Olearia colensoi var. argentea Allan] [Naturally Uncommon; 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. [as Olearia colensoi Hook.f. var. colensoi; Olearia colensoi var. argentea Allan] [Naturally Uncommon; Not Threatened]
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.
