Nomenclature
Scientific Name:
Epilobium macropus Hook., Icon. Pl. t. 812 (1852)
 Description

Creeping herb forming thick loose mats, either in very wet ground or floating. Stems 2–20 cm long, creeping and rooting below, with short bristly hairs all round. Lamina of lf elliptic to narrowly-ovate, 6–15 × 3–8 mm. Floral tube 1.3–2 mm deep, glabrous or somewhat hairy. Petals usually white, very rarely pink at first, but flushed pink after pollination, 6.5–12 × 4–8 mm. Capsule glabrous, (3)–4–6.5 cm long; fruiting pedicel (1)–2.5–12 cm long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Nov.–Mar.

 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]
Icones Plantarum; or Figures, with Brief Descriptive Characters and Remarks of New or Rare Plants. London.
Raven, P.H.; Raven, T. E. 1976: The Genus Epilobium (Onagraceae) in Australasia: a Systematic and Evolutionary Study. New Zealand Department of Scientific and Industrial Research Bulletin 216: 1–321.