Classification
Class
Magnoliopsida Brongn.
Order
Asterales Link
Family
Compositae Giseke
Genus
Senecio L.
 Nomenclature
Scientific Name:
Senecio kermadecensis Belcher, Ann. Missouri Bot. Gard. 43: 45 (1956)
Synonymy:
  • ≡ Erechtites kermadecensis (Belcher) Allan, Fl. New Zealand 1, 731 (1961)
 Description

Erect annual or short-lived perennial herb. Mid cauline lvs sparsely to densely hispid especially on lower surface, apetiolate, elliptic, evenly, finely dentate, slightly amplexicaul and shallowly to deeply dentate at base, (3)–4–8 × (0.5)–1–3 cm. Uppermost lvs smaller, often narrower and with few remote teeth. Supplementary bracts 0–3, 1–2 mm long. Involucral bracts 5–7–(8), glabrous, 4.5–5.5 mm long. Ray florets 0. Disc greenish yellow, c. 1.5 mm diam. Achenes subcylindric, only slightly narrowed to and slightly constricted below apex, with 1–3 rows of hairs in grooves between broad ribs, 2–2.5 mm long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Oct.–Jan.

 Bibliography
Belcher, R.O. 1956: A Revision of the Genus Erechtites (Compositae) with Inquiries into Senecio and Arrhenechthites. Annals of the Missouri Botanical Garden 43: 1–85.
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. [Nationally Critical]
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. [Nationally Critical]
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. [Nationally Critical]