Classification
Class
Magnoliopsida Brongn.
Order
Apiales Nakai
Family
Araliaceae
Genus
Hydrocotyle L.
 Nomenclature
Scientific Name:
Hydrocotyle heteromeria A.Rich. (1820)
Synonymy:
  • ≡ Hydrocotyle americana var. heteromeria (A.Rich.) Kirk, Stud. Fl. New Zealand 188 (1899)
Vernacular Name(s):
Waxweed; Waxweed pennywort
 Description

Perennial, forming large patches; stems slender. Lvs simple, delicate, pale glossy green, glabrous, 5–20 mm diam., divided to ⅕-⅓ of radius into usually 5 segments; segments broadly oblong to obovate, each again usually 3-lobed and crenate or serrate; teeth with blunt cartilaginous points; margins flat; petiole glabrous or with a few retrorse hairs. Umbels simple, 2–10-flowered, mostly subsessile; peduncles much < lvs. Fls sessile or subsessile. Fr. glabrous, hairy or often with one mericarp hairy and the other glabrous, 1.3–1.5 × 1–1.3 mm, acute on dorsal edge; ribs slightly raised, slender.

[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]
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z.
Webb, C.J. 1984: The correct name for our commonest lawn Hydrocotyle. Canterbury Botanical Society Journal 18: 70–71.