Non-succulent, xerophytic plant - help please

[IamFof]

Guys
First, apologies for posting a non-succulent request.
I hope somebody can give me a pointer, as at this point in time, I can't even pin it down to a Family, let alone a Genus.
The ONLY thing I can say, for sure, is that is NOT one of the 2 Africa acacia genera, Vachellia or Senegalia.
Found on a large expanse of wasteland, outside the city of Marrakech, Morocco.

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I first thought, acacia, till I saw the leaves. They were thicked and a bit leathery to touch. Definately not a Fabacaea member.

55mm lens cap for scale

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Thorns were typical acacia double thorns, but some appeared to be recurving thorns, similar to a rose's.

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Lots of beetle carcasses impaled on the thorns. Spotted the prime suspect a bit later. A Great Grey Shrike

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Any help would be appreciated
Fof