Nomenclature
Scientific Name:
Thelymitra formosa Colenso, Trans. & Proc. New Zealand Inst. 16: 338 (1883 [1884])
 Description

Plant at fl. to 50 cm. tall. Lf to 2 cm. wide, channelled, thick and heavy, sheathing high up stem. Infl. to c. 12-fld. Per. c. 9–13 mm. long, blue, without stripes or spots. Sepals, petals and labellum similar, narrow-obovate. Column-arms flattened, ± channelled, with yellow fringes and cilia from margins, each arm projecting from inner face of side lobule, us. standing taller than anther; post-anther lobe not as tall as anther, erect, margins yellowish red and ± thickened into finger-like calli; side lobules taller than anther, pinkish or yellowish, fleshy, with subulate erect points on margins and similar or more elongate tubercles on surface.

[From: Moore and Edgar (1970) Flora of New Zealand. Volume 2.]

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Nov.–Jan.

 Bibliography
Colenso, W. 1884 ("1883"): A further contribution towards making known the botany of New Zealand. Transactions and Proceedings of the New Zealand Institute 16: 325–363.
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.
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]
Parsons, M.J.; Douglass, P.; Macmillan, B.H. 1998: Current Names List for wild Gymnosperms, Dicotyledons and Monocotyledons (except Grasses) of New Zealand as used in Herbarium CHR. Version 1, to 31 Dec 1995. Manaaki Whenua Press, Lincoln, Canterbury, New Zealand.