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  4. Microschizaea fistulosa

Microschizaea fistulosa

Kauaeranga Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 31/10/2007, 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>
Microschizaea fistulosa sporangia with maturing spores. Te Aupouri, Otaipango Road, Raharaha Property.<br>Photographer: Peter J. de Lange, Date taken: 22/12/2021, 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>
Albany, Auckland.<br>Photographer: Jeremy R. Rolfe, Date taken: 27/10/2008, 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>
Microschizaea fistulosa maturing sporangia showing hairs scattered through sporogenous tissue. Te Aupouri, Otaipango Road, Raharaha Property.<br>Photographer: Peter J. de Lange, Date taken: 09/01/2020, 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>
Sporangia of Microschizaea fistulosa showing hairs scattered through sporogenous tissue. Chatham Islands, Rēkohu (Chatham Island), North Road, Fran & Kaai’s Property.<br>Photographer: Peter J. de Lange, Date taken: 09/01/2020, 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>
Kauaeranga Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 31/10/2007, 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>
Karikari Peninsula, Northland.<br>Photographer: Melissa Hutchison, Date taken: 17/01/2020, 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>
Waikawau bay.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Common names

comb fern

Biostatus

Native

Category

Vascular

Structural class

Ferns

Flower colours

No flowers

Detailed description

Rhizomatous, tufted fern. Rhizome short creeping, densely clothed with dark brown hairs. frond clustered, erect, undivided, 10–500 mm long, c. 0.5-1.0 mm wide, wiry, terete or subterete, furrowed on 1 side, green or pale brown with scattered hairs, smooth; sterile fronds similar to sporogenous fronds but much shorter; sporogenous heads 7–30 mm long, usually 5–12× longer than wide, narrowly triangular to linear-oblong, broadest at or near the base, tapering distally, straight or slightly curved; segments 2–5 mm long, smooth, glabrous or with sparse hairs. Sporangia not mixed with hairs. (Description adapted from Chinnock (1998) and Brownsey & Smith-Dodsworth (2000)).

Similar taxa

Morphologically similar to Microschizaea australis (which some botanists (e.g., Chinnock 1998, as Schizaea australis) had regarded as merely a reduced state of what is here called Microschizaea fistulosa). Microschizaea fistulosa differs from Microschizaea australis by its usually large size (stipe 100–500 cf. 20–150 mm mm long in M. australis), larger fertile sporogenous frond (7–30 mm cf. 4–15 mm in M. australis), slightly larger pinnae (1–5 mm cf. 1–4 mm long in M. australis), ecological preference for coastal and lowland habitats, and perhaps most convincingly by its different chromosome number (2n = 388, 540 cf. 2n = 188 in M. australis).

Microschizaea is genetically distinct from Schizaea s.s. though morphologically the chief difference is that Microschizaea fistulosa is said to have no hairs (i.e. glabrous) amongst the sporangia (Ke et al. 2022).

Distribution

Indigenous. New Zealand: Manawatāwhi / Three Kings Islands, North Island (widespread from North Cape south to about Waikato thence scarce), South Island (confined to North-west Nelson), Chatham Islands. Also present in Australia, Malaysia, Indonesia, New Guinea, New Caledonia, Fiji and Samoa.

Habitat

Coastal to lowland on clay pans, podzols, in gumland scrub, open scrub or forest, kauri forest (and then especially along ridged lines) and also in restiad peat bogs in Waikato and the Chatham Islands.

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 | Qualifiers: SO

Jump to previous conservation statuses

Detailed taxonomy

Family

Schizaeaceae

Authority

Microschizaea fistulosa (Labill.) C.F.Reed

Synonyms

Acrostichum fistulosum (Labill.) Poir.; Schizaea fistulosa Labill.

Endemic taxon

No

Endemic genus

No

Endemic family

No

Ecology

Flowering

Not applicable—spore producing

Fruiting

Not applicable—spore producing

Propagation technique

Difficult—should not be removed from the wild

Wetland plant indicator status rating

Information derived from the revised national wetland plant list prepared to assist councils in delineating and monitoring wetlands (Clarkson et al., 2021 Manaaki Whenua – Landcare Research Contract Report LC3975 for Hawke’s Bay Regional Council). The national plant list categorises plants by the extent to which they are found in wetlands and not ‘drylands’. The indicator status ratings are OBL (obligate wetland), FACW (facultative wetland), FAC (facultative), FACU (facultative upland), and UPL (obligate upland). If you have suggestions for the Wetland Indicator Status Rating, please contact: [Enable JavaScript to view protected content]

FAC: Facultative

Commonly occurs as either a hydrophyte or non-hydrophyte (non-wetlands).

Other information

Etymology

fistulosa: From the Latin fistula ‘pipe’, referring to a cylindrical or terete shape which is closed at each end

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.

SCHFIS

Chromosome number

2n = 380, 540

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

Referencing and citations

References and further reading

Brownsey PJ, Smith-Dodsworth JC. 2000. New Zealand Ferns and Allied Plants. David Bateman, Auckland, NZ. 168 p.

Chinnock RJ. 1998. Schizaeaceae. Flora of Australia 48, Ferns Gymnosperms and allied groups: 177–187. ABRS/CSIRO Victoria, Australia.

Ke B-F, Wang G-J, Labiak PH, Rouhan G on behalf of the GoFlag Consortium; Chen C-W, Shepherd LD, Ohlsen DJ, Renner MAM, Karol KG, Li F-W, Kuo L-Y. 2022. Systematics and Plastome Evolution in Schizaeaceae. Frontiers in Plant Science 3: 885501. https://doi.org/10.3389/fpls.2022.885501.

Attribution

Fact sheet prepared for NZPCN by P.J. de Lange (14 March 2011). Description adapted from Chinnock (1998) and Brownsey & Smith-Dodsworth (2000).

NZPCN Fact Sheet citation

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

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