Scientific Name:
Hydrocotyle robusta Kirk, Stud. Fl. New Zealand 189 (1899)
  • Hydrocotyle novae-zeelandiae var. robusta (Kirk) Cheeseman, Man. New Zealand Fl. 197 (1906)

Stems ± 3 mm. diam., decumbent to suberect. Lvs on short petioles 2–6 cm. long, retrorsely pilose towards sinus. Lamina pilose on both surfaces, 20–25–(30) mm. diam.; lobes 5–7, us. very to rather shallow, us. again shallowly lobulate, member., pale green; margins crenulate to denticulate. Sinus us. deep, narrow. Peduncles rather stout to slender, 1–3 cm. long. Umbels c. 8–12-fld. Rays very short, occ. up to 5 mm. long. Fruiting heads up to 1 cm. diam.; frs c. 2–3 mm. diam., dull brown, very turgid, glab.; mericarps grooved in face (often obscurely so), faintly keeled.

[From: Allan (1961) Flora of New Zealand. Volume 1 as Hydrocotyle novae-zeelandiae var. robusta (Kirk) Cheeseman]

Indigenous (Endemic)
Cheeseman, T.F. 1906: Manual of the New Zealand Flora. Government Printer, Wellington.
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]
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z.