This floral pattern is very popular in the Middle East/ Central Asia. It was developed in the medieval times of the and centuries. The patterns are taken from nature and would make a great item for decorating your wall.
Noun 'qalb' (heart) in arabic formed from the verb 'qalaba'– 'rotate', 'transform', 'overturn'. That is the word 'qalb' means not only 'heart/core' but also 'turning', 'transformation from one condition to another'.