One of only a few flowers on the slopes of Montsegur in southern France. Sorry I don't have any photos of the leaves, I was sure I had some!
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The photos in wikipedia certainly look like it could be D. monspessulanus. I only remember seeing this one flower along the track up to the chateau. We're likely to go back this year so I'll have another look.
Lat/Lng: 42.8715, 1.8337