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  4. Thelymitra hatchii

Thelymitra hatchii

Southern Tararua Range.<br>Photographer: Jeremy R. Rolfe, Date taken: 14/12/2008, 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>
Column. Kaitoke Regional Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 22/12/2007, 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>
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>
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>
Leaf showing prominent keel on abaxial surface. Kaitoke Regional Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 22/12/2007, 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>
Tararua Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 29/12/2007, 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>
Southern Tararua Range.<br>Photographer: Jeremy R. Rolfe, Date taken: 14/12/2008, 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>
Erua.<br>Photographer: Jeremy R. Rolfe, Date taken: 28/12/2008, 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>
Pink cilia. Mount Climie, Upper Hutt.<br>Photographer: Jeremy R. Rolfe, Date taken: 08/01/2009, 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>
Pink cilia. Mount Climie, Upper Hutt.<br>Photographer: Jeremy R. Rolfe, Date taken: 08/01/2009, 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>
Hawkdun Range. January.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Hawkdun Range. January.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Stokes Valley, Lower Hutt.<br>Photographer: Jeremy R. Rolfe, Date taken: 17/12/2016, 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>
Stokes Valley, Lower Hutt.<br>Photographer: Jeremy R. Rolfe, Date taken: 17/12/2016, 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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Common name

Hatch’s sun orchid

Synonyms

Thelymitra pachyphylla sensu Hatch

Family

Orchidaceae

Authority

Thelymitra hatchii L.B.Moore

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.

THEHAT

Chromosome number

2n = 66

Current conservation status

  • Conservation status of New Zealand indigenous vascular plants, 2017

The threat classification 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) – more information about this can be found on the NZTCS website 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. Please note, threat classifications are often suggested by authors when publications fall between NZTCS assessment periods – a suggested threat classification status has not been assessed by the NZTCS panel.

Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2017 | Not Threatened

Previous conservation statuses

2012 | Not Threatened

2009 | Not Threatened

2004 | Not Threatened

Distribution

Endemic. North, South and Stewart Islands.

Habitat

Coastal to subalpine (up to 1300 m a.s.l.). Only coastal in southern part of range. Favouring clay banks, gravel, and open clay pans. Often in short scrub or fringing peat bogs and tarns. Preferring well lighted places.

Features

Terrestrial, tuberous, glabrous, spring to summer-green perennial herb, forming dense colonies of 4-20 plants arising through vegetative extension. Plants dark reddish-green, stiffly erect, at flower up to 600 mm tall. Leaf solitary, erect, very fleshy to almost fleshy-coriaceous, deeply channelled and prominently ribbed longitudinally, 100-300 x 7-15 mm, dark reddish-green to reddish brown, broadly lanceolate to linear-lanceolate, strongly v-shaped in cross section, distinctly keeled, base closely sheathing. Inflorescence a (3-)6(-8)-flowered raceme borne on a dark reddish-green to reddish brown stout, wiry stem. Bracts 1-2(-3), foliaceous, closely-sheathing, fleshy, of similar colour to stem and leaf. Flower 15-20 mm diameter, usually pale to deep mauve sometimes pink, without stripes or spots. Sepals, petals and labellum fairly similar; sepals acutely elliptic, petals elliptic. Column robust, up to 8 mm tall, erect, sometimes with a small basal triangular process, initially white soon grading to dark mauve, then dark reddish brown near apex; post anther lobe tall, overtopping anther at least at sides, erect, truncate, more or less coarsely laciniate or denticulate but not thickened, inrolled or cucullate, sometimes obliquely forming a deep cleft at back, often terminating in two sharply acute points, usually dark red toward apex, margin more or less yellow; column arms terete to plano-convex in cross section; cilia copious, prominent, usually yellow to pale yellow, more rarely white or pink, arising from sides, back and top of arm, standing erect and overtopping post-anther lobe.

Similar taxa

A distinctive species easily recognised by the dark reddish green foliage and stem; fleshy to fleshy-coriaceous, erect prominently keeled and v-shaped leaf; usually 6 flowered racemes; dark mauve flowers; dark reddish brown post anther lobe with a yellow, jagged margin, and column arms bearing copious, coarse, usually yellow cilia.

Flowering

November - March

Flower colours

Red/Pink, Violet/Purple

Fruiting

December - April

Propagation technique

Very easily grown in a sunny, well drained site. Often naturalises in gardens within urban areas abutting indigenous vegetation. Although easily cultivated, like all orchids it should not be removed from the wild.

Threats

Not Threatened. Abundant throughout its range.

Etymology

thelymitra: Woman’s hat

hatchii: After Hatch

Where To Buy

Not commercially available.

Attribution

Description adapted from Moore and Edgar (1970).

References and further reading

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

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