Nomenclature
Scientific Name:
Geranium rubricum Heenan & Courtney, Phytotaxa 314: 90-93 (2017)
Synonymy:
Type: NEW ZEALAND. Nelson. Red Hills above Motueka River, rocky ridge, ultramafic rocks, 1200 m, December 1990, S. Courtney s.n. (holotype CHR 469918!)
Etymology:
The specific epithet rubricum refers to the red ochre colour of the ultramafic rocks and soils where this species occurs (Whitaker 2007), and also to the red colouration of the lamina margins and deep red colour of the stolon cortices.
 Biostatus
Indigenous (Endemic)
 Bibliography
Aedo, C. 2023: A Monograph of the genus Geranium L. (Geraniaceae). Consejo Superior de Investigaciones Científicas (CSIC), Madrid.
de Lange, P.J.; Heenan, P.B.; Given, D.R.; Norton, D.A.; Ogle, C.C.; Johnson, P.N.; Cameron, E.K. 1999: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 37: 603–628. [as Geranium (b) (CHR 469918; Red Hills)]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76. [as Geranium (b) (CHR 469918; Red Hills)]
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. [Nationally Endangered]
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. [as Geranium (b) (CHR 469918; Red Hills)] [Nationally Endangered]
Heenan, P.B.; Courtney, S.P. 2017: Geranium rubricum (Geraniaceae), a new species from ultramafic soils in the Red Hills, northern South Island, New Zealand. Phytotaxa 314(1): 089–095.