Classification
Class
Magnoliopsida Brongn.
Order
Myrtales Juss. ex Bercht. & J.Presl
Family
Onagraceae
Genus
Epilobium L.
 Nomenclature
Scientific Name:
Epilobium pedunculare A.Cunn., Ann. Nat. Hist. 3: 31 (1839)
Synonymy:
  • ≡ Epilobium nummulariifolium var. pedunculare (A.Cunn.) Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 58 (1852)
Original material (according to the protologue): "New Zealand (Northern Island). Near the lake [Lake Omapere – P.dL.] situated between Waimaté Mission House and the great forest of Hokianga. – 1834, Rich. Cunningham". Type (fide Raven, Raven, 1976: 169): "East of the lake between Waimate Mission Station and the great forest of Hokianga, North Auckland, New Zealand, 1834, Richard Cunningham (K)". Allan (1961: 260) partially typified the name thus: "Near the lake situated between Waimate Mission House and the great forest of Hokianga. Type: K, R. Cunningham, 1834".
  • = Epilobium linnaeoides Hook.f., Bot. Antarct. Voy. I. (Fl. Antarct.) Part I, 10 (1844)
  • = Epilobium caespitosum Hausskn., Monogr. Epilobium 301 (1884)
  • ≡ Epilobium nummulariifolium var. caespitosum (Hausskn.) Kirk, Stud. Fl. New Zealand 174 (1899)
Vernacular Name(s):
long-stalked willowherb
 Description

Creeping herb, rooting at nodes and forming loose mats up to 0.5 m diam. Stems strigillose or with short erect hairs on lines decurrent from margins of petioles. Lamina of lf very broadly ovate to orbicular, 2.5–14 × 2.5–15 mm. Floral tube 0.7–0.9 mm deep. Petals white, occasionally pink, 3–5 × 1.9–2.6 mm. Capsule glabrous, 2–5 cm long; fruiting pedicel 4.5–10 cm long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Nov.–Feb.

 Bibliography
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]
Haussknecht, H.C. 1884: Monographie der Gattung Epilobium. Jena.
Hooker, J.D. 1844–1845: The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839–1843, under the command of Captain Sir James Clark Ross. I. Flora Antarctica. Part I. Botany of Lord Auckland’s Group and Campbell’s Island. Reeve, Brothers, London.
Hooker, J.D. 1852–1853 ("1853"): The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839–1843, under the command of Captain Sir James Clark Ross. II. Flora Novae-Zelandiae. Part I. Flowering plants. Lovell Reeve, London.
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z.
Mosyakin, S.L.; de Lange, P.J.; Antonenko, S.I.; Klimovych, N.B. 2020: Types and other historical specimens of Allan and Richard Cunningham's taxa of Epilobium and Fuchsia (Onagraceae) from New Zealand in the Turczaninow Herbarium at the National Herbarium of Ukraine (KW). Ukrainian Botanical Journal 77(4): 249–269.
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.