Classification
Class
Magnoliopsida Brongn.
Order
Ranunculales Juss. ex Bercht. & J.Presl
Family
Ranunculaceae
Genus
Ranunculus L.
 Nomenclature
Scientific Name:
Ranunculus ranceorum de Lange in de Lange & Murray, New Zealand J. Bot. 46: 4-5 (2008)
Synonymy:
  • ≡ Ranunculus recens var. lacustris G.Simpson, Trans. Roy. Soc. New Zealand 79: 422 (1952)
 Description

Lvs dark to brownish green, deltoid in outline, 3-lobed to 3-partite; lobes entire or terminal with 2 lateral teeth; fls ± 5 mm. diam.; sepals broad ovate to suborbicular; petals shorter, spathulate, yellow at apex only; gland 1.

[From: Allan (1961) Flora of New Zealand. Volume 1 as Ranunculus recens var. lacustris G.Simpson]

 Biostatus
Indigenous (Endemic)
 Bibliography
de Lange, P.J.; Murray, B.G. 2008: Ranunculus ranceorum, a new name and rank for Ranunculus recens var. lacustris G.Simpson, an elusive, rarely seen buttercup of the Fiordland lakes, South Island, New Zealand. New Zealand Journal of Botany 46: 1–11.
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. [as Ranunculus recens var. lacustris G.Simpson]
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]
Simpson, G. 1952: Notes on some New Zealand plants and descriptions of new species (No. 5). Transactions of the Royal Society of New Zealand 79: 419–435.