Classification
Class
Magnoliopsida Brongn.
Order
Myrtales Juss. ex Bercht. & J.Presl
Family
Onagraceae
Genus
Epilobium L.
 Nomenclature
Scientific Name:
Epilobium chlorifolium Hausskn., Österreichische Botanische Zeitschrift 29: 149 (1879) – as chloraefolium
Synonymy:
  • = Epilobium perplexum Kirk, Stud. Fl. New Zealand 170 (1899)
  • = Epilobium chlorifolium var. verum Cockayne, Trans. & Proc. New Zealand Inst. 50: 171 (1918)
Vernacular Name(s):
mountain willowherb
 Description

Herb 7–45 cm tall, very sparsely branched from the base and sometimes also above. Stems with strigillose lines running down from margins of petioles, hairy all round above. Lamina of lf narrowly to broadly ovate, 1–3 × 1.2–2 cm. Floral tube 0.9–1.4 mm deep, glandular-hairy. Petals white, 7–11 × 5–8 mm. Capsule with glandular hairs, and sometimes with a few strigillose hairs, 3.9–5.2 cm long; fruiting pedicels 1.5–2.5 cm long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Dec.–Feb.

 Bibliography
Cockayne, L. 1918: Notes on New Zealand floristic botany, including descriptions of new species, etc. (No. 3). Transactions and Proceedings of the New Zealand Institute 50: 161–191.
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.
Österreichische Botanische Zeitschrift
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.