Acorus calamus L. (family Araceae/Acoraceae) has long, narrow leaves and an aromatic rootstock. It is similar to the iris in appearance and can be found in moist habitats such as the banks of ponds or streams and swamps in North America, Europe, and Asia.
Traditional medicine includes use of the rhizome and the herb's main traditional uses include therapy for colic, dyspepsia (upset stomach), and flatulence (gas). In Ayurveda there is major use of calamus for diseases of the kidney and liver, eczema, rheumatism, and enhancement of memory. Currently, traditional uses lack substantiation in the available medical literature. Vomiting was the primary toxicity reported following use of the root for assumed production of euphoria.

Related Terms

Acoraceae (family), acorenone, Acori graminei rhizoma, acorone, Acorus calamus L., Acorus calamus L. essential oils, Acorus calamus Linn. var. angustatus Bess, Acorus calamus var. angustatus Bess, Acorus gramineus Sol. ex Aiton, Acorus gramineus Soland, Acorus tatarinowii, Acorus tatarinowii Schott, alkaloids, Araceae (family), aromatic calamus, asarone, bach, bicyclogermacrene, bornyl acetate, calamendiol, calamenone, Calamus aromaticus, calamus rhizome, calarene, camphene, camphor, caryophyllene, cedrol, changpo, changpo oil, cinnamon sedge, flagroot, flavonoids, germacrene A, gladdon, grass myrtle, gums, kamseh-chang, khusiol, lectins, limonene, linalool, lin-ne, methyl linoleate, mucilage, myrcene, myrtle flag, myrtle sedge, phenols, prezizaene, quinone, rat root, rattan palm, Romanian Acorus calamus L., sabinene, saponins, shi chang pu, shuichangpu, squamulosone, sweet calamus, sweet cane, sweet flag, sweet grass, sweet myrtle, sweet root, sweet rush, sweet sedge, sweetflag, sweetflag oil, tannins, terpinolene, torilenol, triterpenes, ugragandha, vacha, vaj, vekhand.

evidence table

These uses have been tested in humans or animals. Safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider.