Class
Order
Family
Genus
Classification
Nomenclature
Scientific Name:
Senecio hispidulus A.Rich., Essai Fl. Nouv.-Zél., 92 (1834)
Vernacular Name(s):
Fireweed
Description
Erect annual to short-lived perennial herb. Mid cauline lvs hispid with short hairs on upper surface and longer, denser, jointed hairs on lower, rarely only sparsely hispid, apetiolate, narrow, ovate, lanceolate, oblong or elliptic, pinnately lobed to 1-pinnatifid with lanceolate to oblong, entire to few-toothed segments, usually amplexicaul and deeply 2–3-fid at base, 5–10–(14) × 1–3–(4) cm. Uppermost lvs smaller, usually lanceolate, and often dentate and not lobed. Supplementary bracts 4–7, 1–2 mm long. Involucral bracts (8)–10–13–(14), glabrous, 5–6 mm long. Ray florets 0. Disc yellow, 1–2 mm diam. Achenes ellipsoid-subcylindric, slightly constricted below apex, with (1)–2–3–(4) rows of hairs in grooves between broad ribs, 1.5–1.8 mm long.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Biostatus
Indigenous (Non-endemic)
Phenology
Flowering: Oct.–Apr.–(Aug.)
Bibliography
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]
Richard, A. 1832: Essai d'une Flore de la Nouvelle Zélande. In: Dumont d'Urville, J. Voyage de découvertes de l'Astrolabe. Botanique. Tastu, Paris.
