Classification
Class
Magnoliopsida Brongn.
Order
Ranunculales Juss. ex Bercht. & J.Presl
Family
Ranunculaceae
Genus
Ranunculus L.
 Nomenclature
Scientific Name:
Ranunculus carsei Petrie, Trans. New Zealand Inst. 56: 11 (1926)
 Description

Perennial; rosettes tufted, on stout decumbent stolons. Basal lvs broadly ovate to triangular, truncate to shallowly cordate at base, usually 3-fid to about 1/2 way, 1–2-dentate, glabrous above, usually weakly hairy beneath and on petiole, (7)–10–20 × (7)–10–20 mm; cauline lvs opposite or in loose whorls, similar to basal but smaller and more rounded at base. Pedicels short at flowering, terete, sparsely hairy, elongating to (2)–3–8–(12) cm at fruiting. Fls 6–9 mm diam. Sepals spreading, sparsely hairy or almost glabrous. Petals (2)–5, yellow, obovate; nectary single, 1–1.5 mm from petal base, covered by a small triangular scale. Receptacle sparsely to moderately hairy. Achenes 10–30, slightly flattened, glabrous, sometimes purple-blotched; body 1.5–1.8 mm long; beak straight, c. 0.3 mm long.

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

 Biostatus
Indigenous (Endemic)
 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]
Garnock-Jones, P.J. 1990: Typification of Ranunculus names in New Zealand. New Zealand Journal of Botany 28: 115–123.
Petrie, D. 1926: Descriptions of new native plants. Transactions of the New Zealand Institute 56: 6–16.