(modifié de Coste, Flore de la France 1937) :
* Cliquer pour une clé simplifiée des joncs des Cévennes
moelle interrompue
Écologie : (répartition d'après la flore) Lieux humides, dans toute la France et en Corse.
Répartition hors de France : Europe; Asie occidentale et boréale; Amérique septentrionale.
(modified from Butcher, British Flora 1961):
NOTE: the French text is more complete and up-to-date
* Click for simplified key to the rushes of the Cévennes
Flower spray appears below stem tip ('bract' above, which is a stem-like leaf)
A stiff perennial with many densely tufted, terete, leafless, glaucous stems 23-60 cm high, growing from horizontal, matted rhizomes. Stems slender, stiffly erect, with 12-18 prominent ridges and an interrupted pith;
France:
Distribution outside France: ?
Ecology UK: (distribution according to flora) chiefly in damp pastures on heavy basic soils throughout the British Isles, abundantly in England and Wales and Ireland, but it becomes scarcer in northern Scotland.
Fleurs : verdâtres, en panicule latérale rameuse, lâche, placée au-dessus du tiers supérieur de la tige; périanthe à divisions lancéolées en alène ; 6 étamines, à anthères égalant le filet ; style court
Floraison France : Juin-août.
Flowers: 4 mm diam., forming an open, long-stalked panicle of many flowers; longer bract above the inflorescence about half as long as stem; short bract without inflated base; perianth segments grey-green, unequal, lanceolate, acuminate; stamens usually 6; style about as long as ovary.
Flowering UK: Late June-late July.
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