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Classification
Nomenclature
Scientific Name:
Olearia albida (Hook.f.) Hook.f., Handb. New Zealand Fl. 128 (1864)
Vernacular Name(s):
Tanguru
Description
Shrub or tree up to 5 m. tall; branchlets grooved, angular, clad in rather loose white tomentum. Lvs 7–10 × 2.5–3·5 cm. on petioles up to 2 cm. long; oblong to ovate-oblong, coriac., glab. above when mature, clad in soft white appressed tomentum below, margins flat to slightly undulate. Capitula ∞ on short sulcate pedicels, narrow, up to 7 mm. long; phyll. imbricate; lower ovate, pubescent, upper linear-oblong, ciliate. Florets 3–10 per capitulum, ray-florets 1–5, style-arms elongate. Achenes linear, ribbed, 1–1·5 mm. long, pubescent; pappus-hairs slightly thickened at tips, 3 mm. long.
[From: Allan (1961) Flora of New Zealand. Volume 1.]
Biostatus
Indigenous (Endemic)
Phenology
Flowering: Jan.–May.; Fruiting: Mar.–Jun.
Bibliography
de Lange, P.J.; Gosden, J.; Courtney, S.P.; Fergus, A.J.; Barkla, J.W.; Beadel, S.M.; Champion, P.D., Hindmarsh-Walls, R.; Makan, T.; Michel, P. 2024: Conservation status of vascular plants in Aotearoa New Zealand, 2023. New Zealand Threat Classification Series. No. 43. [Declining]
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. [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. [Not Threatened]
Hooker, J.D. 1864: Handbook of the New Zealand Flora: a systematic description of the native plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, Campbell's and Macquarie's Islands. Part I. Reeve, London.
Saldivia, P.; Nicol, D.A. 2025: Reinstatement, broader circumscription, and infrageneric classification of Shawia (Astereae, Celmisiinae), a large woody genus endemic to Australasia. Phytoneuron 2025-49: 1–43 (online). (Published online: 11 September 2025)
