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  4. Caladenia chlorostyla

Caladenia chlorostyla

Remutaka Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 25/11/2006, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Remutaka Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 25/11/2006, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Remutaka Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 25/11/2006, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Tararua Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 23/12/2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Puffer Track, Kaitoke.<br>Photographer: Eric Scanlen, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Piwhane / Spirits Bay.<br>Photographer: Jeremy R. Rolfe, Date taken: 06/11/2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Kaitoke, Upper Hutt.<br>Photographer: Jeremy R. Rolfe, Date taken: 24/11/2012, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Close up of flower. Kaiikanui Road, Opuawhanga.<br>Photographer: Bill Campbell, Date taken: 19/11/2008, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Butterfly Creek, Eastbourne.<br>Photographer: Jeremy R. Rolfe, Date taken: 15/12/1984, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Southern Tararua Range.<br>Photographer: Jeremy R. Rolfe, Date taken: 27/11/2010, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Southern Tararua Range.<br>Photographer: Jeremy R. Rolfe, Date taken: 27/11/2010, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Southern Tararua Range.<br>Photographer: Jeremy R. Rolfe, Date taken: 27/11/2010, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Wainuiomata.<br>Photographer: Jeremy R. Rolfe, Date taken: 23/12/2015, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Wainuiomata.<br>Photographer: Jeremy R. Rolfe, Date taken: 23/12/2015, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
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Synonyms

Petalochilus chlorostylus (D.L.Jones, Molloy et M.A.Clem.) D.L.Jones et M.A.Clem.; Petalochilus calyciformis R.S.Rogers, Petalochilus saccatus R.S.Rogers,

Family

Orchidaceae

Authority

Caladenia chlorostyla D.L.Jones, Molloy et M.A.Clem.

Flora category

Vascular – Native

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Structural class

Orchids

NVS code

The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.

PETCHL

Chromosome number

2n = 39, 40, 41

Current conservation status

  • Conservation status of New Zealand indigenous vascular plants, 2017

The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2017 using the New Zealand Threat Classification System (NZTCS). This report includes a statistical summary and brief notes on changes since 2012 and replaces all previous NZTCS lists for vascular plants. Authors: By Peter J. de Lange, Jeremy R. Rolfe, John W. Barkla, Shannel P. Courtney, Paul D. Champion, Leon R. Perrie, Sarah M. Beadel, Kerry A. Ford, Ilse Breitwieser, Ines Schönberger, Rowan Hindmarsh-Walls, Peter B. Heenan and Kate Ladley.

2012 | Not Threatened

Previous conservation statuses

2009 | Not Threatened

2004 | Not Threatened

Distribution

Probably Endemic. Three Kings, North, South. Stewart and Chatham Islands

Habitat

Coastal to montane up to 1000 m a.s.l.) in well-lighted situations in scrub, successional and mature tall indigenous forest. Also frequent in plantation forests.

Features

Solitary, hirsute, terrestrial, tuberous herb. Leaf semi-erect, 50-150 x 1-3 mm, bright green, narrowly linear, sparsely glandular pubescent. Flowering scape, slender, wiry, 10-300 mm tall, green, glandular-pubescent. Sterile bracts spreading widely, 6.0-11.0 x 1.0-2.5 mm, narrowly ovate-lanceolate, acuminate, externally glandular-pubescent; fertile bracts closely sheathing, 3-8 x 2-3 mm, narrowly ovate-lanceolate, externally glandular pubescent. Ovary, 6-10 mm long, narrowly ellipsoid, green, glandular-pubescent. Flower unscented, 1(-5), 11-16 mm diameter, externally greenish-white, internally pale greenish-white, white, pale mauve or pinkish. Tepals externally sparsely glandular; dorsal sepal erect and incurved; lateral sepals porrect, remaining closely parallel, or with proximal margins overlapping or fused; petals widely spreading or incurved. Dorsal sepal 6.0-8.0 x 1.5-2.0 mm, narrowly obovate, obtuse. Lateral sepals 6.0-8.0 x 2.0-2.5 mm, narrowly obovate, oblanceolate, asymmetric, subacute. Petals 6.0-8.0 x 2.0-2.5 mm, oblanceolate, falcate, subacute, apiculate. Labellum greenish-white, white or pinkish with prominent dark red transverse bars articulated on a short 0.4 x 0.8 mm claw, trilobed. Lamina ovate in outline when flattened, 5.0-6.0 x 4.5 mm, erect in proximal half, decurved in distal half, apex decurved or straight; lateral lobes 1.8 mm wide, erect and column-embracing, entire; mid-lobe 2.5 mm long, narrowly deltoid; cream to pale yellow, with 6-10 pairs of flat to linear marginal calli to 0.8 mm long, these decrescent and irregular towards apex. Lamina calli stipitate, pale yellow often with red stalks, in 2 rows extending onto the base of the mid-lobe. Basal calli 4, darker than the rest; head oblong-ovoid, c.0.5-0.7 mm diameter, papillate. Column 5.0-6.0 x 2.3 mm, green with dark red transverse bars, shallowly incurved, narrowly winged; central anterior ridge 0.8-1.0 mm wide. Anther c.1.3-1.5 x 1.2-1.5 mm, green, papillate, with a short rostrum. Pollinia 4, 0.8-1.0 mm long, curved to flat, white or green, mealy, incoherent. Stigma semi-circular, 1 mm diameter sunken. Capsule erect, 10.0-12.0 x 2.5-3.5 mm long, ellipsoid to ovoid-ellipsoid, green often with purple stripes

Similar taxa

See recognition sections for C. nothofageti and C. variegata. Caladenia chlorostyla has been much confused with C. minor from which it is said to differ by the patent rather than stem clasping middle foliaceous bract of the flowering scape, mostly pink rather than greenish flowers, and by the clavate rather than capitate-globular lamina calli. Caladenia minor appears to be confined to the northern third of the North Island. However, it is a poorly understood species whose relationships to C. chlorostyla and C. bartlettii need critical evaluation.

Flowering

September - January

Flower colours

Green, White

Fruiting

December - April

Propagation technique

Difficult - should not be removed from the wild

Where To Buy

Not commercially available

TAXONOMIC NOTES

Jones et al. (2001) revived the genus Petalochilus R.S.Rogers (erected by Rogers (1924) for what has come to be viewed as a peloric state of Caladenia R.Br. - see Moore & Edgar (1970)) for a distinct clade of mostly New Zealand orchids that had usually been referred to as Caladenia. Subsequently Hopper et al. (2004) showed how the reorganisation of Caladenia by Jones et al. (2001) was unworkable and they recommended a return to Caladenia and the other allied Australian genera that had been recognised previously. Following discussion with S. Hopper and P. Weston (pers. comm., 2011, 2014) the treatment of Hopper et al. (2004) is preferred to that of Jones et al. (2001) and so followed here.

Attribution

Fact Sheet prepared for NZPCN by P.J. de Lange 14 April 2007. Description partially taken from Jones et al. (1997).

References and further reading

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: 1-240.

Jones, D.L.; Molloy, B.P.J.; Clements, M.A. 1997: Three new species and a new combination in Caladenia R.Br. (Orchidaceae) from New Zealand. The Orchadian 12: 221-229.

Jones, D.L.; Clements, M.A.; Sharma, I.K.; Mackenzie, A.M. 2001: A New Classification of Caladenia R.Br. (Orchidaceae). The Orchadian 13: 389-419.

Moore, L.B.; Edgar, E. 1970: Flora of New Zealand. Vol. II. Government Printer, Wellington.

Rogers, R.S. 1924: Petalochilus: a New Genus of New Zealand Orchids. Journal of Botany 62: 65-67.

NZPCN Fact Sheet citation

Please cite as: de Lange, P.J. (Year at time of access): Caladenia chlorostyla Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/caladenia-chlorostyla/ (Date website was queried)

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