Nomenclature
Scientific Name:
Montia racemosa (Buchanan) Heenan, New Zealand J. Bot. 45: 438 (2007)
Synonymy:
  • Claytonia australasica var. racemosa Buchanan, Trans. & Proc. Roy. Soc. New Zealand 3: 210 (1870 [1871])
  • Neopaxia racemosa (Buchanan) Heenan, New Zealand J. Bot. 37: 229-231 (1999)
LECTOTYPE (fide Heenan 1999): [New Zealand, Nelson], Dun Mountain, Claytonia australasica var. racemosa, WELT 47460.
 Description

Herb, up to 40 cm diam., forming loose sparse tufts, rarely forming compact mats. Leaves up to 30 × 1.8 mm, narrow and approaching linear; lamina narrowly elliptic to narrowly lanceolate; adaxial and abaxial surfaces brown to green-brown, usually glossy; adaxial surface convex; adaxial surface flat to sometimes slightly concave; apex subacute to obtuse; petiole indistinct and grading into lamina base; old leaves red-brown to orange-red. Involucral leaves 2.3–2.4 × 2.3–2.4 mm, red-brown; lateral fold absent; apex obtuse. Flowers 8.0–12.0 mm diam. Tepals 4.0–6.2 × 2.2— 3.5 mm, broadly elliptic to obovate, white and flushed pink in bud and when mature, not overlapping; apex obtuse, sometimes with a shallow notch; claw not, or only weakly, differentiated. Nectary orange-yellow. Filaments 2.2–2.5 mm long, ≤½ tepal length, white, distinctly curved at apex. Anthers 0.8–1.1 × 0.6–0.7 mm, cream. Ovary 0.6–0.7 × 0.6– 0.7 mm, obovoid, red-brown to red-green; sutures not prominent. Style 1.1–1.3 mm long; flushed pink. Stigmatic branches 1.2 mm long, fluorescent pink, straight prior to spreading. Capsule 2.1–2.2 × 2.2– 2.3 mm. Seeds 1.2–1.4 × 1.1–1.2 mm, slightly to moderately rugose, dark brown. FL Nov–Jan; FT Dec–Mar.

[Reproduced from Heenan (1999, New Zealand J. Bot. 37: 213-234, as Neopaxia racemosa (Buchanan) Heenan) with permission from The Royal Society of New Zealand.]

 Biostatus
Indigenous (Endemic)
 Bibliography
Buchanan, J. 1871 ("1870"): On some New Species and Varieties of New Zealand Plants. Transactions and Proceedings of the Royal Society of New Zealand 3: 208–212.
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. [Naturally uncommon]
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 Neopaxia racemosa (Buchanan) Heenan]
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. [Naturally Uncommon]
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. [Naturally Uncommon]
Heenan, P.B. 1999: A taxonomic revision of Neopaxia Ö.Nilss. (Portulacaceae) in New Zealand. New Zealand Journal of Botany 37: 213–234.
Heenan, P.B. 2007: New combinations in Montia (Portulacaceae). New Zealand Journal of Botany 45: 437–439.