Classification
 Nomenclature
Scientific Name:
Senecio banksii Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 146 (1852)
Synonymy:
  • = Senecio colensoi Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 147 (1853)
  • = Senecio banksii var. β velleia Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 146 (1853)
  • = Senecio banksii var. γ scabrosus Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 146 (1853)
  • = Senecio odoratus Hook.f., Handb. New Zealand Fl. 160 (1864) nom. illeg., non Senecio odoratus Hornem. 1815
  • = Senecio pumiceus Colenso, Trans. & Proc. New Zealand Inst. 21: 89 (1888 [1889])
  • = Senecio pumiceus var. angustatus Kirk, Stud. Fl. New Zealand 342-343 (1899)
  • = Senecio colensoi var. lobulatus Allan, Fl. New Zealand 1, 747, 975 (1961)
  • = Senecio colensoi var. obtusifolius Allan, Fl. New Zealand 1, 747, 975 (1961)
 Description

Ascending to erect perennial herb. Lvs glabrous or moderately to densely lanate especially on lower surface, apetiolate and often cuneate to amplexicaul base, elliptic, or elliptic-oblong to obovate, irregularly dentate to 1–2-serrate, lyrate-pinnatifid or 1-pinnatifid with oblong, few-toothed segments, or rarely crenately lobed, (2)–4–12–(20) × (1)–2–5 cm; teeth or segments (3)–7–20 or more on each side. Uppermost lvs smaller, narrower, often ± oblong or lanceolate, less divided and more conspicuously amplexicaul. Supplementary bracts 3–16–(20), 1.5–5 mm long. Involucral bracts 12–16–(19), glabrous, 2–5 mm long. Ray florets usually 7–13, very rarely as many as 22; ligules yellow, 3–8 mm long. Achenes with 1–3 rows of hairs in narrow grooves between broad ribs, not or scarcely narrowed to apex, 2–2.8 mm long.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Nov.–Feb.–(Jun.)

 Bibliography
Colenso, W. 1889: 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 21: 80–108.
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]
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.