Scientific Name:
Epilobium pallidiflorum A.Cunn., Ann. Nat. Hist. 3: 34 (1839)
  • = Epilobium macranthum Hook., Icon. Pl. t. 297 (1840)
  • = Epilobium muellerianum H.Lév. (1894)
  • = Epilobium pallidiflorum var. stricta Kirk, Stud. Fl. New Zealand 170 (1899)
Vernacular Name(s):
Swamp willowherb; tarawera

Robust rhizomatous herb, often well-branched near base and above, ascending 25–140 cm, sometimes forming leafy stolons, strigillose, densely so in the infl. Stems strigillose all round or rarely only on the elevated lines decurrent from margins of petioles. Lamina of lf narrowly lanceolate to lanceolate, 30–80 × 5–13 mm. Floral tube 1.3–2 mm deep, with a conspicuous ring of long hairs inside. Petals white, often flushed pink or rose-purple, 7.5–14 × 5–10 mm. Capsule grey-strigillose, (4.5)–6.5–9.5 cm long; fruiting pedicel 1–2 cm long.

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

Indigenous (Non-endemic)

Flowering: Dec.–Apr.

Cunningham, A. 1839: Florae insularum Novae Zelandiae precursor; or a specimen of the botany of the islands of New Zealand. Annals of Natural History 3: 29–34.
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.
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z.
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.