Classification
Class
Magnoliopsida Brongn.
Order
Asterales Link
Family
Compositae Giseke
Genus
Olearia Moench
 Nomenclature
Scientific Name:
Olearia cheesemanii Cockayne & Allan, Trans. New Zealand Inst. 57: 57 (1926 [1927]) – as Olearia Cheesemanii
Synonymy:
  • = Olearia nitida var. angustifolia Cheeseman, Man. New Zealand Fl. 285 (1906)
  • = Olearia arborescens var. angustifolia Cheeseman, Man. New Zealand Fl. 285 (1906)
Vernacular Name(s):
Streamside tree daisy
 Description

Erect shrub or tree to c. 4 m. tall, much-branched, bark ± flaking; branchlets with dense buff tomentum, grooved. Lvs on ± winged tomentose petioles c. 2 cm. long; lamina thinly coriac., dark green above and silky-hairy when young, pale buff below with very closely appressed tomentum, 5–9 × 2–3 cm., linear- to narrow-lanceolate, occ. oblong-lanceolate; margins sinuate, apex subacuminate (all forms may be on one plant). Subfloral lvs us. smaller, narrower, 6–3 cm. × 15–4 mm. Corymbs lax, us. ample, much-branched, up to 15 cm. diam.; axis and branches very slender, densely tomentose, bracts minute, pedicels c. 1 cm. long. Capitula ± 8–9 mm. long; phyll. linear-lanceolate, 3–4 mm. long, ciliolate; rays long and narrow. Achenes linear, 2–3 mm. long, finely grooved; pappus-hairs fine, sordid-white, unequal, up to 5 mm. long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Aug.–Jan.; Fruiting: Nov.–Jun.

 Bibliography
Cheeseman, T.F. 1906: Manual of the New Zealand Flora. Government Printer, Wellington.
Cockayne, L.; Allan, H.H. 1927 ("1926"): Notes on New Zealand floristic botany, including descriptions of new species, & c. (No. 5). Transactions of the New Zealand Institute 57: 48–72.
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. [Naturally uncommon]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76.
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. [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. [Naturally Uncommon]