Class
Order
Family
Genus
Classification
Nomenclature
Scientific Name:
Pterostylis oliveri Petrie, Trans. & Proc. New Zealand Inst. 26: 270 (1893 [1894])
Description
Plant 10–25–(35) cm. tall. Stem c. 2 mm. diam., smooth, sts ± decumbent; internodes mostly rather shorter than lvs, sts very short near base. Lf-shape changing gradually from below upwards; lamina of lower lvs c. 5–10 × 2–3 cm., oval to broad-elliptic or narrow-obovate, obtuse, narrowing to broadly winged, us. short petiole; upper lvs progressively more acute, the uppermost little shorter but sessile, ovate, sts almost acuminate, often reaching but rarely overtopping fl. Fl. solitary; ovary us. erect. Dorsal sepal c. 3–4–(5) cm. tall, very slightly to much inclined in its proximal part, tip long, narrow, ± parallel-sided with only weakly involute margins, the whole often strongly curved downwards; lateral sepals diverging at a narrow angle, caudae of lobes very long, erect to strongly bent backwards or forwards. Petals much shorter than dorsal sepal, acute. Labellum narrow-triangular, arched and protruding, apex narrowly obtuse. Column shorter than labellum; stigma long-oval, rather flat.
[From: Moore and Edgar (1970) Flora of New Zealand. Volume 2.]
Biostatus
Indigenous (Endemic)
Phenology
Flowering: Dec.–Jan.
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]
Jones, D.L.; Clements, M.A.; Molloy, B.P.J 2002: A Synopsis of the Subtribe Pterostylidinae. Australian Orchid Research 4: 129–146.
Petrie, D. 1894 ("1893"): Descriptions of New Native Plants, & c. Transactions and Proceedings of the New Zealand Institute 26: 266–274.
