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Classification
Class
Order
Family
Nomenclature
Scientific Name:
Thelymitra tholiformis Molloy & Hatch, New Zealand J. Bot. 28: 111-113 (1990)
Description
Plant at flowering up to 60 cm tall, usually less. Leaf solitary, up to 36 × 1.5 cm, linearlanceolate, sub-erect, shallow-concave with exterior ridges on mature plants, usually green, often with reddish margins and base. Stem slender to moderately robust, blue-green; basal sheath up to 30 mm long, pale, truncate, mucronate; stem bracts usually 2, 20-90 × 3—6 mm, lanceolate, sheathing in basal half to two thirds, occasionally with a third leaf-like bract at base up to 150 mm long. Floral bracts 10-20 × 3-6 mm, lanceolate. Flowers 1-15, 10-15 mm diameter, pale to strong mauve, on short pedicels. Ovary slender,oblanceolate, terete, 5-10 × 3-5 mm. Perianth cupped, parts ovate, apiculate, up to 12 × 5 mm; sepals narrower than petals; petals minutely papillate externally. Column up to 5 mm tall, erect, concave in side view, pale purple with yellow striae and a narrow purple band near the top. Post-anther lobe as high or exceeding the anther, tholiform, not cucullate, bright yellow, margin irregularly denticulate. Column arms ± terete, horizontal or upturned, with short, dense, globose tufts of white cilia. Anther erect, apex usually pointed, sometimes curved forward; pollinia white, in two pairs, friable, with monad pollen. Stigma short, broad, ± concave, bilobed above; rostellum orbicular, very prominent (Fig. 1). Capsule 10-15 × 5-7 mm, elliptic, green.
[Reproduced from Molloy & Hatch (1999, New Zealand J. Bot. 28: 105–114) with permission from The Royal Society of New Zealand.]
Biostatus
Indigenous (Endemic)
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. [Not threatened]
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. [Not Threatened]
Molloy, B.P.J.; Hatch, E. D. 1990: Thelymitra tholiformis (Orchidaceae) a new species endemic to New Zealand, with notes on associated taxa. New Zealand Journal of Botany 28: 105–114.
Molloy, B.P.J.; Hatch, E. D. 1999: Thelymitra tholiformis (Orchidaceae) — a new species endemic to New Zealand, with notes on associated taxa. New Zealand Journal of Botany 28: 105–114.
