Classification
Class
Magnoliopsida Brongn.
Order
Ranunculales Juss. ex Bercht. & J.Presl
Family
Ranunculaceae
Genus
Ranunculus L.
 Nomenclature
Scientific Name:
Ranunculus pinguis Hook.f., Bot. Antarct. Voy. I. (Fl. Antarct.) Part I, 3 (1844)
Synonymy:
  • = Ranunculus pinguis var. pilosus Hook.f., Bot. Antarct. Voy. I. (Fl. Antarct.) Part I, 3 (1844)
  • = Ranunculus pinguis var. rhombifolius Hook.f., Bot. Antarct. Voy. I. (Fl. Antarct.) Part I, 3 (1844)
  • = Ranunculus pinguis var. β Hook.f., Handb. New Zealand Fl. 5 (1864)
 Description

Tufted perennial, 5–25 cm tall; rhizome stout. Lvs rhombic to reniform, shallowly 3–5–(7)-lobed, fleshy, glabrous or hairy, 2–8 cm diam.; lobes often crenate. Fls solitary, 2–3 cm diam.; pedicels erect, usually pilose at least above. Sepals spreading, hairy. Petals 5–10, yellow, narrow, usually < sepals; nectary usually single, c. 5 mm from petal base, naked. Receptacle glabrous. Achenes very numerous, not flattened, glabrous, rarely pilose; body 1.5–2 mm long; beak straight, c. 2 mm long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

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

 Bibliography
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. [Naturally uncommon]
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. [Naturally Uncommon]
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. [Naturally Uncommon]
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.
Hooker, J.D. 1844–1845: The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839–1843, under the command of Captain Sir James Clark Ross. I. Flora Antarctica. Part I. Botany of Lord Auckland’s Group and Campbell’s Island. Reeve, Brothers, London.
Hooker, J.D. 1864: Handbook of the New Zealand Flora: a systematic description of the native plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, Campbell's and Macquarie's Islands. Part I. Reeve, London.