(modifié de Coste, Flore de la France 1937) :
Sous-arbrisseau de 50-200 cm, tiges grêles, couchées-rampantes, à jeunes rameaux pubérulents.
Écologie : (répartition d'après la flore) Bois et rocailles des montagnes : Jura, Côte d'Or, Alpes, Cévennes, Auvergne, Corbières et Pyrénées. [chez nous, rare sauf sur calcaire]
Répartition hors de France : Europe ; Asie et Amérique boréales.
(modified from Butcher, British Flora 1961):
NOTE: the French text is more complete and up-to-date
An evergreen perennial with prostrate woody stems up to 17 cm long.
Ecology UK: (distribution according to flora) It occurs chiefly on elevated moorlands, often abundantly, in the Scottish Highlands and more rarely in England southwards to Derbyshire; also in N. and W. Ireland.
France: In our region, almost exclusively on limestone
Distribution outside France: ?
Fleurs : rosées, 5-12 en petites grappes serrées ; corolle à dents courtes ; filets des étamines pubescent
Flowers: 6 mm long, 5-12 in a whorl, dense raceme, corolla pale pink, lobes ovate spreading, stamens with a recurved appendage
Flowering UK: Mid May-mid-July