Bastard Grass, Hook Sedge
Uncinia egmontiana Hamlin, Uncinia sivestris var. squamata Hamlin
Vascular – Native
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.
2n = 88
Current conservation status
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
Endemic. New Zealand: North Island (Mt Egmont), South and Stewart Islands – apparently absent from Fiordland.
Coastal to alpine. In coastal turf, tussock grassland, alpine mires, bogs and shrubland overlying peat.
Densely caespitose, dull red or reddish-green (rarely green) plants, 250-400 mm tall. Culms c.300.0 × c. 0.5 mm, glabrous, subtrigonous or almost terete; basal sheaths straw-coloured or light brown. Leaves 4–6 per culm, culms, 1.0-1.5 mm wide, moderately scabrid on margins and upper surface. Spikes 3.5-120.0 × c.3 mm, female flowers c.10–20, rather distant, internodes to 12 mm long at base of spike, c.3 mm long above. Glumes = or >, or rarely slightly < utricles, persistent, ovate-lanceolate, acute, membranous, red or green with pale hyaline margins. Utricles 4.5-6.0 × c.1.0 mm, subtrigonous, elliptic-lanceolate, striated or scarcely nerved, grey-green or reddish grey, contracted below to a stipe usually slightly > 1.5 mm long, narrowed above to a beak slightly < 1.5 mm long
From those other Carices with hooked utricles and persistent glumes, with the exceptions of C. silvestris (Hamlin) K.A.Ford and C. strictissima (Petrie) K.A.Ford, C. egmontiana can be distinguished from by having glabrous, semi-terete culms. Carex silvestris differs by its bright green rather than usually dull red or reddish green leaves, few-nerved, smaller utricles (< 4.5 mm cf. > 5 mm long) which are green rather than grey-green or reddish grey.
October - November
November - August
Easily grown from fresh seed and by division of established plants. Prefers a permanently moist, peaty soil but will grow in most substrates. Except in cool climates this species is best planted in semi-shade.
carex: Latin name for a species of sedge, now applied to the whole group.
egmontiana: Of Mount Egmont
Fact sheet prepared fro NZPCN by Peter J. de Lange 17 August 2006. Description adapted from Moore and Edgar (1970).
References and further reading
Moore, L.B.; Edgar, E. 1970: Flora of New Zealand. Vol. II. Government Printer, Wellington.
Please cite as: de Lange, P.J. (Year at time of access): Carex egmontiana Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/carex-egmontiana/ (Date website was queried)