Classification
 Nomenclature
Scientific Name:
Myosotis petiolata Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 202 (1853)
 Description

Rosettes often elongated;  lamina broad;  hairs short, straight, stiff, appressed, usually widely spaced on both surfaces.  Lateral branches often many, ascending;  internodes = or > lvs.  Cymes ebracteate, usually simple, many-flowered;  internodes > calyx at fruiting;  pedicels 5–8 mm long.  Calyx lobed almost to base;  lobes very narrow.  Corolla white,  c. 6–15 mm diam.;  filaments long;  anthers < 1 mm long.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Fruiting: Oct.–Mar.

 Bibliography
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Townsend, A.J. 2009: Threatened and uncommon plants of New Zealand (2008 revision). New Zealand Journal of Botany 47: 61–96. [as Myosotis petiolata Hook.f. var. petiolata] [Nationally Critical]
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 Myosotis petiolata Hook.f. var. petiolata]
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 Critical]
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 Myosotis petiolata Hook.f. var. petiolata] [Nationally Critical]
Hooker, J.D. 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.
Meudt, H.M.; Prebble, J.M.; Stanley, R.J.; Thorsen, M.J. 2013: Morphological and amplified fragment length polymorphism (AFLP) data show that New Zealand endemic Myosotis petiolata (Boraginaceae) comprises three rare and threatened species. Australian Systematic Botany 26: 210–232.