Scientific Name:
Ranunculus glabrifolius Hook., London Journal of Botany 1: 243 (1834)
  • = Ranunculus incisus Hook.f. (1852)
  • = Ranunculus rivularis var. major Benth. (1863)
  • Ranunculus rivularis var. inundatus (R.Br. ex DC.) Rodway (1903)
  • = Ranunculus inundatus R.Br. ex DC. pro parte

Perennial with rosettes tufted along a slender creeping rhizome usually with swollen nodes. Basal lvs on slender erect or ascending petioles 5–15–(25) cm long; lamina ternate or occasionally palmate, usually with at least 1–2 hairs, sometimes more, ± circular, or slightly broader than long, 1–3–(5) cm diam.; leaflets sessile, divided again to at least 1/2 way, sometimes again toothed, ± equal, the lateral leaflets sometimes divided to base; lvs of flowering stems smaller with 1–3 linear, acute, entire segments. Fls 1–3–(5) per stem, or solitary fls rarely sessile, 12–15–(20) mm diam.; pedicels glabrous. Sepals ± recurved, glabrous or hairy. Petals 5–10, yellow, narrowly obovate, shortly clawed; nectary single, 1–2 mm from petal base, pocket-like. Receptacle glabrous. Achenes 5–20, hardly flattened, glabrous; body 2–2.5 mm long; style straight or curved, 1.5–2 mm long.

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

Indigenous (Non-endemic)
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]
Garnock-Jones, P.J. 1990: Typification of Ranunculus names in New Zealand. New Zealand Journal of Botany 28: 115–123.
London Journal of Botany