bitter orange flowers

Stem plant Rutaceae, bitter orange. See also under orange. Medicinal drug Aurantii flos (Aurantii amari flos) – Bitter orange flowers: the whole, dried, unopened flower of L. ssp. (PhEur). PhEur requires a minimum content of flavonoids, calculated as naringin. Aurantii amari flavedo – bitter orange peel, bitter orange peel (flavedo). Aurantii pericarpum – bitter orange … Bitter Orange