Classification
Class
Magnoliopsida Brongn.
Order
Ranunculales Juss. ex Bercht. & J.Presl
Family
Ranunculaceae
Genus
Ranunculus L.
 Nomenclature
Scientific Name:
Ranunculus enysii Kirk, Trans. & Proc. New Zealand Inst. 12: 394 (1879 [1880])
Synonymy:
  • = Ranunculus berggrenii Petrie, Trans. & Proc. New Zealand Inst. 19: 325 (1887)
  • = Ranunculus tenuis Buchanan, Trans. & Proc. New Zealand Inst. 20: 255 (1887 [1888])
  • = Ranunculus novae-zelandiae Petrie, Trans. & Proc. New Zealand Inst. 26: 266 (1893 [1894]) – as Ranunculus novæ-zelandiæ
  • = Ranunculus poppelwellii Petrie in Poppelwell, Trans. New Zealand Inst. 47: 132 (1915) nom. nud.
  • = Ranunculus novae-zelandiae var. repens Simpson & J.S.Thomson, Trans. & Proc. Roy. Soc. New Zealand 72: 21 (1942)
 Description

Tufted, glabrous perennial, 10–40 cm tall; rhizome stout. Lvs very variable, ovate to oblong, ternate or palmate, rarely ternatifid, coriaceous, 2–10–(20) cm long; leaflets varying from large and rounded with few shallow teeth to smaller and cut to the base into 3–7 narrow-cuneate incised or toothed or lobed segments; median lobe usually long-stalked; lateral lobes sessile or stalked. Stems 1–(3)-flowered. Fls 1.5–3 cm diam. Sepals spreading, glabrous. Petals 5, yellow, obovate-cuneate; nectary single, 1–2 mm from petal base, partly enclosed by a split tubular or semilunar scale. Receptacle glabrous. Achenes 20–50, turgid, glabrous; body 1.5–2 mm long; beak straight or slightly curved, 1–1.5 mm long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Dec.–Feb.; Fruiting: Jan.–Mar.

 Bibliography
Buchanan, J. 1888 ("1887"): Botanical Notes. Transactions and Proceedings of the New Zealand Institute 20: 255.
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. [as Ranunculus berggrenii Petrie]
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]
Fisher, F.J.F. 1965: The alpine Ranunculi of New Zealand. New Zealand Department of Scientific and Industrial Research Bulletin 165: 1–192.
Garnock-Jones, P.J. 1990: Typification of Ranunculus names in New Zealand. New Zealand Journal of Botany 28: 115–123.
Kirk, T. 1880: Descriptions of new flowering plants. Transactions and Proceedings of the New Zealand Institute 12: 393–397.
Petrie, D. 1887 ("1886"): Descriptions of new Native Plants. Transactions and Proceedings of the New Zealand Institute 19: 325–326.
Petrie, D. 1894 ("1893"): Descriptions of New Native Plants, & c. Transactions and Proceedings of the New Zealand Institute 26: 266–274.
Poppelwell, D.L. 1915: Notes on the plant covering of the Garvie Mountains, with a list of species. Transactions of the New Zealand Institute 47: 120–142.
Simpson, G.; Thomson, J.S. 1942: Notes on some New Zealand plants and descriptions of new species (No. 2). Transactions and Proceedings of the Royal Society of New Zealand 72: 21–40.