Just strolling around in Jerusalem, you will see; plenty of these tresses flourishing now

The flowers are edible, add them to your salad.

Interesting to know after having enjoyed the beautiful sight :

Medically: Significant antimicrobial and antioxidant effects of C. siliquastrum that contributed significantly to the cytotoxicity of cancer cells

cytotoxicity = damaging cells, in this case, cancer cells which is most welcome