Classification
Class
Magnoliopsida Brongn.
Order
Asterales Link
Family
Compositae Giseke
Genus
Olearia Moench
 Nomenclature
Scientific Name:
Olearia arborescens (G.Forst.) Cockayne & Laing, Trans. & Proc. New Zealand Inst. 43: 367 (1911)
Synonymy:
  • ≡ Solidago arborescens G.Forst., Fl. Ins. Austr. 56 (1786)
  • = Steiractis aborescens DC., Prodr. [A. P. de Candolle] 5, 345 (1836)
  • = Shawia arborescens Raoul, Choix Pl. Nouv.-Zél. 45 (1846)
  • = Eurybia alpina Lindl. & Paxton, Paxton's Fl. Gard. 2, 84 (1851)
  • = Eurybia nitida Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 117 (1853)
  • ≡ Olearia nitida (Hook.f.) Hook.f., Handb. New Zealand Fl. 125 (1864)
  • = Olearia populifolia Colenso, Trans. & Proc. New Zealand Inst. 17: 243 (1884 [1885])
  • = Olearia suborbiculata Colenso, Trans. & Proc. New Zealand Inst. 18: 263 (1885 [1886])
  • = Olearia erythropappa Colenso, Trans. & Proc. New Zealand Inst. 22: 468 (1889 [1890])
  • = Olearia multiflora Colenso, Trans. & Proc. New Zealand Inst. 27: 387 (1895)
  • = Olearia arborescens var. cordatifolia Kirk, Stud. Fl. New Zealand 268 (1899)
Vernacular Name(s):
Common tree daisy; Forest tree daisy; Glossy tree daisy
 Description

Shrub or tree up to 4 m. tall; branchlets angular. Lvs ± 4–8 × ± 2–4 cm. including petiole up to 2 cm. long, broad- to elliptic-ovate, acute, subcoriac.; glab. above when mature, clad in thin appressed satiny tomentum below; margins distantly sinuate-dentate to subentire. Corymbs large, effuse; pedicels slender, pubescent. Capitula up to 7 mm. long, 1·5 cm. diam.; phyll. imbricate, oblong-elliptic, obtuse to subacute, outer pilose on back, inner glab. except at tips and on margins. Florets 15–20; ray-florets 7–10 with a short broad ray. Achenes narrow-linear, c. 2 mm. long, compressed, pilose, striate; pappus-hairs up to 5 mm. long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Oct.–Jan.; Fruiting: Dec.–Mar.

 Bibliography
Cockayne, L.; Laing, R. M. 1911 ("1910"): The Mount Arrowsmith district: A Study in Physiography and Plant Ecology. Part II: Plant Ecology. Transactions and Proceedings of the New Zealand Institute 43: 342–378.
Colenso, W. 1885 ("1884"): A description of some newly-discovered and rare indigenous plants; being a further contribution towards the making known the botany of New Zealand. Transactions and Proceedings of the New Zealand Institute 17: 237–265.
Colenso, W. 1886 ("1885"): A description of some newly-discovered and rare indigenous plants: being a further contribution towards the making known the botany of New Zealand. Transactions and Proceedings of the New Zealand Institute 18: 256–287.
Colenso, W. 1890: A description of some newly-discovered Phænogamic plants, being a further contribution towards the making-known the botany of New Zealand. Transactions and Proceedings of the New Zealand Institute 22: 459–493.
Colenso, W. 1895: Phaenogams: A description of a few more newly-discovered indigenous plants; being a further contribution towards the making known the botany of New Zealand. Transactions and Proceedings of the New Zealand Institute 27: 383–399.
de Candolle, A.P. 1836: Prodromus Systematis Naturalis Regni Vegetabilis. Vol. 5. Treuttel et Würtz, Paris.
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]
Forster, J.G.A. 1786: Florulae Insularum Australium Prodromus. Dietrich, Göttingen.
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.
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.
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z.
Paxton, J.; Lindley, J. 1851: Paxton's Flower Garden. Vol. 2. London.
Raoul, E. 1846: Choix de plantes de la Nouvelle-Zélande: recueillies et décrites. Fortin Masson, Paris.