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  4. Carex corynoidea

Carex corynoidea

Herbarium specimen: AK 289483. Photographed with permission of Auckland Institute and Museum.<br>Photographer: Jeremy R. Rolfe, Date taken: 30/10/2007, 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>
Herbarium specimen: AK 289483. Photographed with permission of Auckland Institute and Museum.<br>Photographer: Jeremy R. Rolfe, Date taken: 30/10/2007, 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>
Herbarium specimen: AK 289483. Photographed with permission of Auckland Institute and Museum.<br>Photographer: Jeremy R. Rolfe, Date taken: 30/10/2007, 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>
Herbarium specimen: AK 289483. Photographed with permission of Auckland Institute and Museum.<br>Photographer: Jeremy R. Rolfe, Date taken: 30/10/2007, 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>
Hokonui Hills, Southland.<br>Photographer: Patrick Enright, Licence: All rights reserved. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Hokonui Hills, Southland.<br>Photographer: Patrick Enright, Licence: All rights reserved. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Hokonui Hills, Southland.<br>Photographer: Patrick Enright, Licence: All rights reserved. <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

bastard grass, fish hooks

Synonyms

Uncinia clavata (Kük.) Hamlin; Uncinia australis Pers. var. clavata Kük.; Uncinia uncinata (Linn.f.) Kük. var, clavata (Kük.) Kük.

Family

Cyperaceae

Authority

Carex corynoidea K.A.Ford

Flora category

Vascular – Native

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Structural class

Sedges

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.

UNCCLA

Chromosome number

2n = 88

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. New Zealand: North and South Islands, from about the Hunua Ranges south

Habitat

A species of montane forest, scrub and on river flats

Features

Robust, dark green to yellow-green plants. Leaves 5–9 per culm, usually > culms, 4-6(-8) mm wide, strongly scabrid on the margins and on the adaxial surface towards tip. Spikes 50-140 mm long, usually bracteate, clavate, 7-10(-15) mm diameter at the top below the male spike, female flowers numerous, usually c. 65-100, very closely crowded throughout almost the whole spike, internodes 0.5-4.0mm long but up to 8 mm long at base of spike. Glumes =, > or rarely < utricles, deciduous, narrow-lanceolate, acute or acuminate, coriaceous or subcoriaceous, yellowish brown to dark brown, midrib green. Utricles 5.0-7.0 × 1.5-2.0 mm, plano-convex to subtrigonous, ovate, yellow-brown to dark brown when ripe, one to two lateral nerves prominent and lighter coloured, stipe 1.5-2.0 mm long, beak 1.5-2.0 mm long; spreading widely when ripe.

Similar taxa

Most closely allied to Carex megalepis K.A.Fordand C. uncinata L.f. Of both species it is most closely allied to Carex megalepis from which it differs by the yellow or dark brown rather than golden yellow or rust-coloured glumes which are equal to or only slightly greater in length (rather than twice as long) than the utricles, and by the widely rather than scarcely spreading utricles. Carex uncinata differs by the usually narrower spikes, early deciduous rather than longer lasting deciduous glumes, which are usually much shorter than the utricles

Flowering

October - December

Fruiting

November - April

Propagation technique

Easily grown from fresh seed and by the division of established plants (though these may then take a while to settle). Prefers a shaded site, and should be planted within a deep, rich, free draining but permanently moist soil

Etymology

carex: Latin name for a species of sedge, now applied to the whole group.

Where To Buy

Not Commercially Available

Attribution

Description adapted from Moore and Edgar (1970). Fact sheet prepared by Peter J. de Lange 17 August 2006.

References and further reading

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

NZPCN Fact Sheet citation

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

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