Nomenclature
Scientific Name:
Epilobium porphyrium G.Simpson, Trans. Roy. Soc. New Zealand 75: 189 (1945)
 Description

Tufted herb, sometimes rooting near the base, 4–20 cm tall. Stems erect, often reddish, with fine lines of strigillose or erect eglandular hairs decurrent from margins of petioles. Lamina of lf elliptic, 6–15 × 3–7 mm. Floral tube 0.4–0.8 mm deep, glabrous. Petals white, later flushed pink, 3.2–5 × 2.2–2.6 mm. Capsule glabrous, 1.5–2.3 cm long, usually subsessile, rarely pedicellate.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Dec.–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]
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.
Simpson, G. 1945: Notes on Some New Zealand Plants and Descriptions of New Species (No. 4). Transactions of the Royal Society of New Zealand 75: 187–202.