Rhizome stout, 4-10(-20) x (0.8-)1-1.5(-3) cm, aromatic; roots at lower side of rhizome. Leaves several, mid-green, often reddish at base, ensiform, (60-)70-100(-150) x (0.7-)1-2(-2.5) cm (mostly 1-1.5 cm wide), apex acuminate; midrib conspicuous on both sides. Peduncle compressed triangular, (15-)40-50 cm. Spathe mid-green, leaflike, 30-50 cm, acute. Spadix straight or slightly curved, erect, oblique, narrowly conic to subcylindric (tapering toward apex), 4.5-6.5(-8) × 0.6-1.2(-1.5) cm, densely flowered. Flowers yellowish green, 1.8-2 mm in diam. seen from above; tepals oblong, 2.5-3 × 1-1.2(-1.4) mm, keeled, membranous, apex triangular hooded; filaments oblong, flat, 2-2.5 x 0.3-0.5 mm, anthers cream-colored, 0.4-0.5 mm in diam.; pollen grains ca. 20 µm, exine shallowly and remotely foveolate; gynoecium obconic-cylindric, 2.5-3.5(-4) × (0.8-)1-2.3 mm, with conic, spongy apex and stigma very small. Infructescence 1.5-2 cm in diam., straw-brown at maturity, berries densely arranged. Berry oblong-obovoid, 1- to few seeded, (3.5-)4-4.5 × 2-3(-3.5) mm. Seed oblong-ellipsoid to ovoid, 2.5-3(-4) × 1-1.2(-1.8) mm, without bristles; testa light brown, subsmooth and slightly foveolate. Fl. (Feb-)Apr-Sep. 9
Useful part: Underground rhizomes.
In Ayurveda, Sweet Flag is also known as VACHA. This translates from Sanskrit as "speech." This plant is more traditionally used as a brain tonic which also improves speech ability. It is used to reduce Kapha and Vatha while increasing Pitta. Calamus root has been used in various respiratory ailments. Making a decoction of the leaves and drinking it, will ease dry coughing, asthma, bronchitis, and fever. It is known as a bronchodilator, therefore circulates more oxygen to the brain & reduces toxins from the brain. An infusion treats cholic. Acorus Calamus is known as a sedative, used in mixtures to aid in mental hysterics: epilepsy, anxiety, over-stimulation.
Massaging Calamus oil around the lymph nodes will stimulate drainage. Treats arthritis, sinus headaches, increases endurance and improves muscle tissue.
data regenerated on Thu, 23 Jan 2020 13:04:55 -0500 [bcm v4.0]