Scientific Name:
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
Vernacular Name(s):
Kūmarahou; Kūmararaunui; Leatherwood; Tūpare

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.]

Indigenous (Endemic)
Number of subspecific taxa in New Zealand within Olearia colensoi Hook.f.
Indigenous (Endemic)2

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

Hooker, J.D. 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.