Classification
 Nomenclature
Scientific Name:
Caladenia lyallii Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 247 (1853)
Synonymy:
  • Stegostyla lyallii (Hook.f.) D.L.Jones & M.A.Clem., 13: 414 (2001)
Vernacular Name(s):
White fingers; White orchid
 Description

Plant at fl. c. 5–20 cm. tall. Stem erect, slender, pilose below with long tapering hairs, glandular-pubescent above. Green lf solitary, linear-lanceolate, us. overtopped by fls, sparsely pilose with long tapering hairs. Floral bracts 1–4, lower ones often empty. Fls 1–4 in lax raceme, ovary us. > bract. Per. 1.5–2.5 cm. diam., white to pink, sts obscurely striped, glandular and ± hairy externally. Sepals elliptic-oblong; dorsal wider and ± arched over column; lateral widespreading, subacute. Petals similar to lateral sepals. Labellum 3-lobed; mid-lobe narrowly triangular and recurved; lateral lobes broad, transversely barred with red; calli yellow, in 4 ± regular rows on disc, smaller and crowded on mid-lobe and its margin. Column curved; wings of uniform width from base to anther, transversely barred with red.

[From: Moore and Edgar (1970) Flora of New Zealand. Volume 2 as Caladenia lyallii Hook.f.]

 Biostatus
Indigenous (Non-endemic)
 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]
Hooker, J.D. 1852–1853 ("1853"): The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839–1843, under the command of Captain Sir James Clark Ross. II. Flora Novae-Zelandiae. Part I. Flowering plants. Lovell Reeve, London.
Hopper, S.D; Brown, A.P. 2004: Robert Brown's Caladenia revisited, including a revision of its sister genera Cyanicula, Ericksonella and Pheladenia (Caladeniinae: Orchidaceae). Australian Systematic Botany 17: 171–240.
Jones, D.L. 1996: Reinstatement of Caladenia alpina R.S.Rogers (Orchidaceae) as distinct from Caladenia lyallii Hook.f. and the description of Caladenia cracens, a related new species from southern Tasmania. Muelleria 9: 41–50.
Jones, D.L.; Clements, M.A.; Sharma, I.K.; Mackenzie, A.M. 2001: A new classification of Caladenia R.Br. (Orchidaceae). The Orchadian 13(9): 389–419.