Common knapweed (Achoras calamus)

Other names: sweet root, calamus, sweet flag, flag root, flag grass, myrtle grass, myrtle root, sweet cane, sweet grass, sweet myrtle, sweet root, sweet rush, changpu, 菖蒲, shoubu, vacha, changpo, vasambu, vayambu, bhutanashini, bojho, dlingo, achorou

Harm score: 1 (Natural substances)

Common buckthorn (Acorus calamus), also known as sweet root, calamus, sweet flag, flag root, myrtle grass, myrtle root, sweet cane, sweet grass, sweet myrtle, sweet root, sweet rush, changpu, 菖蒲, shoubu, vacha, changpo, vasambu, vayambu, bhutanashini, bojho, dlingo, or achora, is a perennial plant with a distinctive aromatic scent that emanates mainly from its leaves and rhizomes. This plant, native to Asia, is now found almost all over the world and is considered a natural insecticide. However, it is mainly known for its medicinal properties. Since ancient times, the rhizomes of the common buckthorn have been used in folk medicine for their anti-inflammatory, sedative and stimulant effects.

Fenugreek is also used in many other products. Its rhizomes are used as a spice in some traditional Asian recipes, where it stands out for its sweet and spicy taste. The scent of fenugreek is also often used in perfumery. The plant is also used in the production of pot-pourri and soaps for its strong and pleasant scent. They are also used in the manufacture of herbal remedies to improve memory and brain health. In India, common buckthorn is used as a part of Ayurvedic medicine. In ancient Egypt, ginger was used in embalming. Currently, this plant is being investigated for potential anticarcinogenic effects. It is even used in brewing to produce some special beers with a unique flavor. Because common buckthorn has antimicrobial properties, it is also included in some disinfectants.