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  4. Carex megalepis

Carex megalepis

Kaitoke Regional Park, Upper Hutt.<br>Photographer: Jeremy R. Rolfe, Date taken: 04/01/2008, 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>
Kaitoke Regional Park, Upper Hutt.<br>Photographer: Jeremy R. Rolfe, Date taken: 04/01/2008, 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>
Mangatainoka River, Tararua Range.<br>Photographer: Jeremy R. Rolfe, Date taken: 02/01/2008, 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>
Mangatainoka River, Tararua Range.<br>Photographer: Jeremy R. Rolfe, Date taken: 02/01/2008, 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>
Herbarium specimen: AK 298307. 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 298307. 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 298307. 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 298307. 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>
Glume and utricle: abaxial view (left), adaxial view (right). Tararua Range.<br>Photographer: Jeremy R. Rolfe, Date taken: 26/02/2008, 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>
Close-up of fruiting spike. In cultivation. Jan 2011.<br>Photographer: Colin C. Ogle, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</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 fruiting spike. In cultivation. Jan 2011.<br>Photographer: Colin C. Ogle, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Utricles and glumes. In cultivation. Jan 2011.<br>Photographer: Colin C. Ogle, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Moeraki River.<br>Photographer: Mike Thorsen, Date taken: 14/08/2013, 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>
Moeraki River.<br>Photographer: Mike Thorsen, Date taken: 14/08/2013, 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 names

bastard grass, caver’s beard

Biostatus

Native – Endemic taxon

Category

Vascular

Structural class

Sedges

Detailed description

Robust, yellow-green to dark green caespitose plants. Culms 100–600 × c. 1 mm, glabrous; basal bracts dull brown to reddish brown. Leaves 4–8 per culm, = or > culms, 3–5 mm wide, scabrid on the margins. Spikes 70–160 × 6–10 mm, usually bracteate, female flowers c. 60–100, very closely crowded throughout the whole spike, internodes 0.5–4.0 mm long. Glumes twice as long as utricles, deciduous, linear-subulate, acute or obtuse, coriaceous, dark golden yellow or rust-coloured. Utricles 4.0–5.0 × c. 1.5 mm., plano-convex or rarely subtrigonous, dark brown, shining, nerved towards the base with a more strongly marked lateral nerve, sharply contracted below to a stipe 1 mm long and above to a stout beak 1.5–2.0 mm long.

Similar taxa

Most similar to Carex corynoidea and C. uncinata, species with which it sometimes grows. Of both species it is most closely allied to C. corynoidea from which it differs by the conspicuous dark golden yellow or rust-coloured rather than yellowish to dark brown glumes which are twice as long as the utricles (rather than equal or slightly greater in length), and by the scarcely spreading rather than widely spreading utricles. Carex uncinata differs by the usually narrower spikes, early deciduous rather than long-persistent deciduous glumes, which are usually much shorter than the utricles, and mostly < 1.0 mm diameter (cf. 1.5 mm or greater)

Distribution

Endemic. New Zealand: North, South and Stewart Islands. From northern Waikato south.

Habitat

Coastal to montane forest, especially in the west. Often abundant in forest overlying calcareous rocks.

Current conservation status

The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2022-2023 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website. This report includes replaces all previous NZTCS lists for vascular plants. Previous assessments can be found here.

  • Conservation status of vascular plants in Aotearoa New Zealand, 2023. 2024. Peter J. de Lange, Jane Gosden, Shannel P. Courtney, Alexander J. Fergus, John W. Barkla, Sarah M. Beadel, Paul D. Champion, Rowan Hindmarsh-Walls, Troy Makan and Pascale Michel Department of Conservation. Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2023 | Not Threatened

Jump to previous conservation statuses

Detailed taxonomy

Family

Cyperaceae

Authority

Carex megalepis K.A.Ford

Synonyms

Uncinia ferruginea Boott; Uncinia nigra Col.; Uncinia variegata Col.; Uncinia australis Pers. var. ferruginea (Boott) C.B.Clarke; Uncinia uncinata (Linn.f.) Kük. var. ferruginea (Boott) Kük.

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Ecology

Flowering

October–December

Fruiting

November–May

Propagation technique

Easily grown from fresh seed and by the division of established plants (though these may then take a while to settle). Does best in a permanently damp, semi-shaded site. Benefits from regular applications of lime. Should be planted where the seed heads are well out of the way of human and animal traffic!

Other information

Cultural use/importance

This species is known as caver’s beard in the western Waikato because of its tendency to grow around cave entrances. In these sites the hooked utricles frequently become ensnared in cavers entering or exiting caves eliciting much comment from the ensnared caver.

Etymology

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

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.

CARMEG

Chromosome number

2n = 88

Previous conservation statuses

The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2022-2023 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website. This report includes replaces all previous NZTCS lists for vascular plants. Previous assessments can be found here.

  • Conservation status of vascular plants in Aotearoa New Zealand, 2023. 2024. Peter J. de Lange, Jane Gosden, Shannel P. Courtney, Alexander J. Fergus, John W. Barkla, Sarah M. Beadel, Paul D. Champion, Rowan Hindmarsh-Walls, Troy Makan and Pascale Michel Department of Conservation. Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2017 | Not Threatened

2012 | Not Threatened

2009 | Not Threatened

2004 | Not Threatened

Jump to current conservation status

Regional conservation statuses

Otago: 2024 | Regionally Not Threatened

The regional threat classification system leverages off the national assessments in the NZTCS, providing information relevant for the regional context. Otago conservation status information is sourced from the “Regional conservation status of indigenous vascular plants in Otago” Jarvie S et al. (2024) report.

Auckland: 2025 | Threatened – Regionally Vulnerable | Qualifiers: DPR, DPS, DPT, RR, Sp

The regional threat classification system leverages off the national assessments in the NZTCS, providing information relevant for the regional context. Auckland conservation status information is sourced from the “Conservation status of vascular plant species in Tāmaki Makaurau / Auckland” Simpkins E et al. (2025) report.

Referencing and citations

References and further reading

Moore LB, Edgar E. 1970. Flora of New Zealand, Volume II. Indigenous Tracheophyta: Monocotyledones except Gramineae. Government Printer, Wellington, NZ. 354 p.

Attribution

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

Some of this factsheet information is derived from Flora of New Zealand Online and is used under a Creative Commons Attribution 3.0 New Zealand licence.

NZPCN Fact Sheet citation

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

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