Classification
Class
Magnoliopsida Brongn.
Order
Ranunculales Juss. ex Bercht. & J.Presl
Family
Ranunculaceae
Genus
Ranunculus L.
 Nomenclature
Scientific Name:
Ranunculus membranifolius (Kirk) Garn.-Jones, New Zealand J. Bot. 25: 126 (1987)
Synonymy:
  • ≡ Ranunculus hirtus var. membranifolius Kirk, Stud. Fl. New Zealand 14 (1899)
  • = Ranunculus hirtus var. stoloniferus Kirk, Stud. Fl. New Zealand 14 (1899)
 Description

Perennial; rosettes tufted on arching hairy stolons. Basal lvs 3-foliolate or rarely 3-lobed, hairy; leaflets shortly stalked, suborbicular to obovate, shallowly 3-lobed, often sparingly toothed, 1–2–(3) cm diam. Cauline lvs similar, smaller, often merely 3-lobed. Fls on ascending, hairy stems or axillary on stolons, few per stem, 4–8 mm diam. Pedicels terete, 2–6 cm long, hairy; hairs usually spreading, rarely subappressed above. Sepals reflexed at flowering, hairy. Petals 5, yellow, narrow-obovate; nectary single, c. 0.5 mm from petal base, covered by a small oblong or triangular scale. Receptacle hairy. Achenes 20–40 in globose heads, pale, moderately flattened, glabrous; body 1.5–2 mm long; beak straight, or curved only at tip, 0.5–1 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. 1987: Orthographic changes for names of New Zealand vascular plants. New Zealand Journal of Botany 25: 118–170.
Garnock-Jones, P.J. 1990: Typification of Ranunculus names in New Zealand. New Zealand Journal of Botany 28: 115–123.
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z.