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I have a garden cultivar of the same plant.
I'm not much of a gardener (nor much of a botanist!) but it's always nice to see things I know as rockery /garden plants doing their thing up in the Alps! This one was new to me... Thanks for confirming an ID that took me quite while to pin down.
Nick Upton, naturalist and photographer.
Lat/Lng: 46.3903, 14.0858
Alpine pastureland slope at around 600m