Flos carthami belongs to the Compositae family (composite flowers).

It is regarded as the animantium of the xue. This means that it has strong xue moving effect, and for this reason it is prohibited during pregnancy. Ii is particularly significant in the gynaecological field, where it is used in the treatment of menstrual disorders, menstrual pains and postpartum haemorrhages. Its „blood-moving“ properties mean that it cannot be administered during pregnancy.
Flos carthami is contained in remedies such as Shen Tong Zhu Yu Tang.