Classification
Class
Magnoliopsida Brongn.
Order
Rosales Bercht. & J.Presl
Family
Rosaceae
Genus
Geum L.
 Nomenclature
Scientific Name:
Geum uniflorum Buchanan, Trans. New Zealand Inst. 2: 88 (1870)
Vernacular Name(s):
Alpine avens
 Description

Low-growing herb up to 15–(20) cm high at flowering, arising from a ± stout, woody stock. Basal lvs up to 5–(12) cm long, glabrate to moderately pilose with a dense marginal rim of harsh usually orange-red hairs, imparipinnate; lateral leaflets in 1–2–(5) pairs, all very reduced and lowest rudimentary; terminal leaflet 10–30–(40) mm long, crenate-dentate and sometimes obscurely lobed; cauline lvs reduced to small, toothed bracts. Peduncle up to 18 cm long. Fls solitary. Petals (7)–10–15–(17) mm long, creamy white. Achenes densely pilose especially on margins.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Nov.–Feb.; Fruiting: Dec.–Mar.

 Bibliography
Buchanan, J. 1870: On some new species of New Zealand Plants. Transactions of the New Zealand Institute 2: 88–89.
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]
Molloy, B.P.J.; Webb, C. J. 1994: Taxonomy and typification of New Zealand Geum (Rosaceae). New Zealand Journal of Botany 32(4): 423–428.