Species

Cardiomanes reniforme

Etymology

reniforme: kidney-shaped (leaves)

Common Name(s)

Kidney fern, Konehu, Kopakopa, Raurenga

Current Conservation Status

2012 - Not Threatened

Conservation status of New Zealand indigenous vascular plants, 2012
The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2012 using the New Zealand Threat Classification System (NZTCS). This report includes a statistical summary and brief notes on changes since 2009 and replaces all previous NZTCS lists for vascular plants. Authors: Peter J. de Lange, Jeremy R. Rolfe, Paul D. Champion, Shannel P. Courtney, Peter B. Heenan, John W. Barkla, Ewen K. Cameron, David A. Norton and Rodney A. Hitchmough. File size: 792KB

Previous Conservation Status

2009 - Not Threatened
2004 - Not Threatened

Authority

Cardiomanes reniforme (G.Forst.) C.Presl

Family

Hymenophyllaceae

Flora Category

Vascular - Native

NVS Species Code

CARREN

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.

Structural Class

Ferns

Synonyms

Trichomanes reniforme G.Forst.; Hymenophyllum nephrophyllum Ebihara et K.Iwats.

Distribution

Endemic. New Zealand: North, South, Stewart and Chatham Islands

Habitat

Coastal to montane. usually in dense forest but also found on boulders, rock falls, cliff faces and in some shrub land, and early stage successional forest. rarely in pine plantations.

Features

Terrestrial or epiphytic fern forming extensive, interwoven creeping patches, Rhizomes long-creeping, much branched and/or interwoven. Stipes 50-250 mm long, very brittle, margins prominently winged. Fronds bright yellow-green to dark green, glossy. Laminae 30-100(-120) × 40-130 mm, reniform to almost orbicular, entire (not divided), venation conspicuous. Sori crowded along lamina margin, slightly sunken into lamina. Indusia cupular, not widened at mouth, receptacle exserted.

Similar Taxa

None

Flowering

Not applicable - spore producing

Flower Colours

No Flowers

Fruiting

Not applicable - spore producing

Propagation Technique

Difficult - should not be removed from the wild

Threats

Not Threatened

Chromosome No.

2n = 72

Endemic Taxon

Yes

Endemic Genus

No

Endemic Family

No

Where to Buy

Not commercially available

Attribution

Fact sheet prepared for NZPCN by P.J. de Lange (20 April 2011). Description adapted from Brownsey & Smith-Dodsworth (2000).

References and further reading

Brownsey, P.J.; Smith-Dodsworth, J.C. 2000: New Zealand Ferns and Allied Plants. Auckland, David Bateman

This page last updated on 28 Aug 2013