(modifié de Coste, Flore de la France) :
Plante vivace de 20-40 cm, glauque, à souche rampante-stolonifère; tige dressée, arrondie-subtrigone, lisse
Écologie : Marécages sablonneux et pâturages sec de calcaire, de l'Ouest : Nord, Pas-de-Calais, Somme, Manche, Charente-Inférieure, Gironde, Basses-Pyrénées.
Répartition hors de France : Europe occidentale.
(modified from Butcher, British Flora):
A glabrous perennial with slender, sub-trigonous, smooth stems 10-38 cm high, growing from a tuft of glaucous leaves and a shortly creeping stock
Ecology UK: It is abundant in dry, calcareous grassland and damp woods and marshes throughout the British Isles.
France:
Distribution outside France: ?
* Click for simple key to the sedge family
Fleurs : épis mâles 2-3, linéaires-oblongs, les femelles 2-3, gros et courts, oblongs, brunâtres, denses, assez rapprochés, sessiles, souvent mâles au sommet; bractée inférieure sans gaine, dépassant la tige; écailles brunes, ovales-lancéolées; 2 stigmates;
Floraison France : Mai-août;
Flowers: Spikelets about 15 mm long, mostly on slender stalks, the terminal and 1-2 underneath it wholly male; the lower ones wholly female and a short distance from each other, lowest nodding in fruit; lowest bract long, leaf-like; female glume 2 mm long, oblong ovate, abruptly narrowed into an acuminate apex, purple brown with pale midrib.
Flowering UK: Mid May-late June.
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