What is Matricaria chamomilla?

Common name for several daisy-like species native to Europe and Western Asia, now naturalized in the United States and Australia. The dried flower-heads of two species, Anthemis nobilis (Chamaemelum nobile) and Matricaria recutita, have specific use as herbs. They are administered as TEA, extracts, tinctures, or OINTMENTS. Chamomile contains CHOLINE; COUMARINS; cyanogenic glycosides, FLAVONOIDS, salicylate derivatives, TANNINS, and volatile oils (OILS, VOLATILE).