Common saffron substitutes include safflower ( `` Carthamus tinctorius '' , which is often sold as `` Portuguese saffron '' or `` açafrão '' ) , annatto , and turmeric ( `` Curcuma longa '' ) .
Common saffron substitutes include safflower ( `` Carthamus tinctorius '' , which is often sold as `` Portuguese saffron '' or `` assafroa '' ) and turmeric ( `` Curcuma longa '' ) .