Classification
Class
Magnoliopsida Brongn.
Order
Ranunculales Juss. ex Bercht. & J.Presl
Family
Ranunculaceae
Genus
Ranunculus L.
 Nomenclature
Scientific Name:
Ranunculus urvilleanus Cheeseman, Man. New Zealand Fl., ed. 2, 446 (1925)
Synonymy:
  • = Ranunculus hirtus var. elongatus Cheeseman, Man. New Zealand Fl. 19 (1906)
 Description

Tufted perennial, to 80 cm tall; rhizome 0. Stems erect, with long fine spreading hairs below and short appressed hairs above. Basal and lower cauline lvs ternate, hairy; leaflets stalked, broadly ovate, deeply ternatifid to 3/4 way, 3–5 × 3–5 cm; lobes again 3-lobed and deeply sharply toothed; petioles 15–30 cm long, with spreading hairs. Cauline lvs similar to basal, but smaller with fewer and narrower segments. Fls many per stem, 8–12–(15) mm diam.; pedicels sulcate, 5–8–(15) cm long, with appressed hairs; bracts linear, acute. Sepals weakly reflexed at flowering, hairy. Petals 5, yellow, oblong to obovate; nectary single, very near petal base, covered by a truncate scale. Receptacle hairy. Achenes 30–50 in globose heads, rather dark, flattened, glabrous; body 2.5–3 mm long; beak hooked, c. 0.7 mm long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Oct.–Jan.; Fruiting: Nov.–Feb.

 Bibliography
Cheeseman, T.F. 1906: Manual of the New Zealand Flora. Government Printer, Wellington.
Cheeseman, T.F. 1925: Manual of the New Zealand Flora. Edition 2. Government Printer, Wellington.
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. [Declining]
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]
Garnock-Jones, P.J. 1990: Typification of Ranunculus names in New Zealand. New Zealand Journal of Botany 28: 115–123.