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  4. Apium prostratum subsp. prostratum var. filiforme

Apium prostratum subsp. prostratum var. filiforme

Pautahanui Inlet.<br>Photographer: Jeremy R. Rolfe, Date taken: 28/04/2006, 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>
Pautahanui Inlet.<br>Photographer: Jeremy R. Rolfe, Date taken: 28/04/2006, 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>
Te Arai Point, Northland.<br>Photographer: Jeremy R. Rolfe, Date taken: 16/07/2006, 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>
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Tunnel Beach, Otago.<br>Photographer: Mike Thorsen, 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>
Tunnel Beach, Otago.<br>Photographer: Mike Thorsen, 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>
Tunnel Beach, Otago.<br>Photographer: Mike Thorsen, 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>
Hoopers Inlet, Otago Peninsula.<br>Photographer: Mike Thorsen, 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>
Hoopers Inlet, Otago Peninsula.<br>Photographer: Mike Thorsen, 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>
Meurky Walk.<br>Photographer: Melissa Hutchison, 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>
Apium prostratum subsp. prostratum var. filiforme.<br>Photographer: Mike Thorsen, 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>
Waikanae Estuary.<br>Photographer: Jeremy R. Rolfe, Date taken: 18/12/2008, 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>
Waikanae Estuary.<br>Photographer: Jeremy R. Rolfe, Date taken: 18/12/2008, 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>
Ocean Beach, Palliser Bay.<br>Photographer: Jeremy R. Rolfe, Date taken: 06/01/2014, 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

New Zealand celery

Synonyms

Petroselinum prostratum (Labill ex Vent.) DC., Helosciadium prostratum (Labill. ex Vent.) Bunge in Lehm., Petroselinum filiforme A.Rich., Apium filiforme (A.Rich.) Hook., Apium australe auct. non Pet.-Thou.

Family

Apiaceae

Authority

Apium prostratum subsp. prostratum var. filiforme (A.Rich.) Kirk

Flora category

Vascular – Native

Endemic taxon

No

Endemic genus

No

Endemic family

No

Structural class

Herbs - Dicotyledons other than Composites

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.

APIPVF

Chromosome number

2n = 22

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

Indigenous. In New Zealand known from the Kermadec, Three Kings, North, South, Stewart and Antipodes Islands. Also in eastern Australia as far north as Brisbane and along the whole coastline of southern Australia and Tasmania

Habitat

Coastal and lowland. Very rarely montane. Common on rock ledges, boulder falls, cliff faces, within petrel scrub on damp seepages, in peaty turf, saltmarshes, within estuaries on mud banks, around brackish ponds, and lagoons. Also found in freshwater systems such as around lake and tarn sides, along streams and rivers and in wet hollows occasionally well inland, and sometimes at considerable elevations.

Features

Perennial, glabrous, prostrate herb. Stems prostrate, sprawling, often ascending though surrounding vegetation, not rooting at nodes; 0.3-1.2 m long, up to 6 mm diam. Leaves dark green to yellow green, basal ones on long, slender petioles up to 500 mm (usually much less); pinnately 3-foliolate to 1-2-pinnate; segments ovate, obovate to cuneate, deeply incised and toothed; Leaves opposite compound umbels similar though with leaflets divided, elliptic, ovate, obovate or more or less cuneate, primary segments elliptic, ovate, obovate, or more or less cuneate in outline, with overall length 0.5-3x the greatest breadth, ultimate segments to tertiary order 8-74 per leaf. Inflorescences in compound umbels, sessile or pedunculate; peduncle usually present. 2-20 mm x 1-3 mm, usually ebracteate, sometimes one present present, this usually shedding early in umbel maturation. Rays 10-20, 0.4-8 mm long. Petals off-white to cream, with yellow-brown mid vein, ovate 0.75-1.5 x 0.5-1.0 mm, constricted at base, apex acute. Stamens about length of petals, filaments pale yellow to cream; anthers whitre or pale yellow, 0.3-0.4 x 0.3-0.4 mm. Ovary glabrous, stylopodium disciform; style 0.25-0.40 mm. Mericarps (1.5-)2.0-2.7 mm long, ovate to ovate-oblong, apex narrowed to persistent withered calyx teeth and style remnant, base broad and rounded to weakly cordate; ribs prominent, broad, rounded and spongy. Surface dull yellow to pale brown.

Similar taxa

Garden celery (Apium graveolens) is occasionally found wild and can look very similar. It is an erect, biennial herb with filiform ribs on the mericarps (fruits). Water celery (Apium nodiflorum (L.) Lagasca is a species of freshwater systems where it grows along drains, river, stream, lake and pond margins. Its umbels are always bracteolate, and the stems root freely at the nodes. The Chatham Island endemic A. prostratum subsp. denticulatum P.S.Short, differs by its allopatric distirbution, and by the leaves opposite the umbels up to 60 mm long; primary leaflets 3-5, leaflets or segments markedly denticulate with 6-36 secondary segments per leaflet only.

Flowering

August - March

Flower colours

Cream, Yellow

Fruiting

September - July

Life cycle

Corky mericarps are dispersed by water (Thorsen et al., 2009).

Propagation technique

Easily grown from fresh seed and whole plants. beign edible and pelasant tatsing it could be more widely used as a substitute for celery (Apium graveolens L.).

Etymology

apium: The ancient Latin name for celery or parsley. Believed to be derived from the Celtic word apon ‘ditch’ and refers to the watery habitat of many species

prostratum: Prostrate

filiforme: From the Latin filum ‘thread’ and forma ‘shape’, meaning thread-shaped

Notes on taxonomy

New Zealand plants of Apium prostratum are extremely variable and at least one entity currently included within var. filiforme is apaprently unnamed. These plants are usually found on muddy ground within saltmarshes, in brackish ponds, and sometimes inland around lakes, stream and river sides. The variant has very slender leaves, often purplish petioles and distinct white piliferous to markedly apiculate leaf apices. It has long been known under the tag names White Denticles and Slender. It warrants more study.

Attribution

Fact sheet prepared by P.J. de Lange for NZPCN (1 June 2013)

References and further reading

Johnson, A. T., Smith, H. A. (1972). Plant Names Simplified: Their pronunciation, derivation and meaning. Landsman Bookshop Ltd: Buckenhill, UK.

Thorsen, M. J.; Dickinson, K. J. M.; Seddon, P. J. 2009. Seed dispersal systems in the New Zealand flora. Perspectives in Plant Ecology, Evolution and Systematics 2009 Vol. 11 No. 4 pp. 285-309

NZPCN Fact Sheet citation

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

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