Classification
Class
Magnoliopsida Brongn.
Order
Asparagales Link
Family
Orchidaceae Juss.
Genus
Gastrodia R.Br.
 Nomenclature
Scientific Name:
Gastrodia sesamoides R.Br. (1810)
 Description

Plant at fl. to c. 60–90 cm. tall. Swollen rhizomes large, e.g. individual parts to 8 × 3 cm. Stem erect, stout or slender (2–7 mm. diam.). Scale lvs widely spaced. Fls us. < 20, ± drooping to bring dorsal sepal next to axis. Per. c. 10–16 × 4–8 mm., light brownish; lobes slightly thickened marginally. Lateral sepals connate almost to level of labellum-tip. Labellum ovate-oblong, rather shortly adnate to per.-tube; long median calli much crested; margin well-developed, undulate and ± lobed, membr. above, thickened below, confined to free limb. Column almost as tall as labellum, very narrowly winged throughout; anther short, operculate, filament smooth; stigma basal, far below anther.

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

 Biostatus
Indigenous (Non-endemic)
 Phenology

Flowering: (Aug.)–Dec.–(Feb.)

 Bibliography
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]