by Stephen Mifsud
   27 Feb 2020      ()
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Carex pairae   (Paira's rough sedge)

Carex pairae  (CYPERACEAE.) 
Images for this profile are taken from the Maltese Islands at or after year 2000.

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Nomenclature and Basic Information Images
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Profile Date Oct-2010 (last update: 12-Jan-2019)
Citation for this page Mifsud, S. (Oct-2010) Carex pairae retrieved from on 2020-Feb-27

Nomenclature and Basic Information

Species name :

Carex pairaeF. W. Schulz
Published in Publ. Fac. Sci. Univ. Masaryk 12: 15 (1922)

Synonyms :
(basionym or principal syn.)

Carex muricata subsp. lamprocarpa
Full list of synonyms : [Euro+Med] [PlantList] [IPNI] [POWO] [Catalogue of Life ]

Plant Family :

Cyperaceae Juss. (The Sedge Family)
27 species from the Cyperaceae family are recorded from the Maltese Islands.

English name(s) :

Paira's rough sedge

Maltese name(s) :

Maltese name not known

Status for Malta :

Species that was introduced in Malta after year 1492 and spreads to form established, non-invasive populations. It may become become invasive

Frequency :

Very Common     Common     Frequent     Scarce     Rare     Very rare     Extinct

Growth form :

Raunkiaer lifeform [info]: HEMICRYPTOPHYTE (prostate plants with flowers close to the ground)
Germination [info]: Monocotyledon

Legal Protection [link]:

Not Protected by Law (LN200/2011 or LN311/2006)

Red List (1989) :

Not listed in the Red Data Book of the Maltese Islands

Flowering Time :


Colour of Flowers:


Species Description and Distribution

Habitat in Europe:

Ditches, small streams and valleys and other damp places

Preferred habitat in Malta:

Data will be available in the next update of this website.

Botanical Description:

Stems 30-100cm, not or scarcely winged, with plane faces; basal sheaths pale brown. Leaves (2-)4-10mm wide, bright green, becoming orange-tinged when dead; ligule ovate-lanceolate, acute, longer than wide, not overlapping edges of leaf. Spikes ovoid, in an irregular inflorescence 3-7(-10) cm; lowest bract often leaf-like and as long as the inflorescence, without auricles. Female glumes scarcely aristate, pale orange-brown. Utricles 5-6 mm, ovate and less narrowed at base, greenish- or orange-brown to dark grey, shining and smooth, with oblong, thin-walled epidermal cells; beak not slit down the back.

Chromosome number:

2n=58, 60

Distributional range:

Europe northwards to 63° N. in Norway

Distributional map in Europe
and the Mediterranean region (2018):

Occurrences in Europe.
(from Flora Europaea pre year 1993):

All Europe exceptAlbania, Doubtful in Corse, Faroe Islands, Iceland, Svalbard archipelago, Doubtful in Turkey (European part)

Occurrences in Europe and the Mediterranean region.
(Euro+Med Checklist, 2017) - Country codes

Ab(A) AE(G) Ag Al Ar Au(A) Az(C L S) Be Bl(M N) Br Bu By dCa(C G T) Co Cr Cs Ct Cy Da Es Fe Ga(C F) Ge Gg Gr Hb(E N) He Ho Hs(S) Hu Ir It La Le Lt Lu Ma Mo No Po Rf(C K S) ?Rf(N NW) Rm Sa Si(M S) Sk Sl Sn Sr Su Tn Tu(A E) Uk(K U)

Images (6 images)
   Carex pairae   -   Image Code: CRXPR-0.
   Carex pairae   -   Image Code: CRXPR-1.
   Carex pairae   -   Image Code: CRXPR-2.
   Carex pairae   -   Image Code: CRXPR-3.
   Carex pairae   -   Image Code: CRXPR-4.
   Carex pairae   -   Image Code: CRXPR-5.

Links & Further info

Google Web

Google Images

Yahoo Web

Yahoo Images




Med Checklist

Cat. of Life



The Plant List


Vienna Virt. Hb.





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