Horribly prickly plant with thorns on stems and upper and lower sides of the leaves. Round yellow fruits about 2cm diameter
No interactions present.
Agree it's the 'Apple of Sodom'my Wild Flowers of the Mediterranean lists it as S.sodomeum?
David J Trevan
But apparently the several different names for this have been lumped under linnaeanum.
See the description of this in the link below (scroll down)...
My Flickr photos...
Thanks for the ID.
Lat/Lng: 39.9153, 4.0342