– Gastrodia elata is a saprophytic perennial herb in the Orchidaceae family.
– It is found in Nepal, Bhutan, India, Japan (Hokkaido, Honshu, Shikoku, Kyuushu), North Korea, Siberia, Taiwan as well as China (in the provinces of Jilin, Liaoning, Inner Mongolia, Hebei, Shanxi, Shanxi, Gansu, Jiangsu, Anhui, Zhejiang, Jiangxi, Henan, Hunan, Hubei, Sichuan, Guizhou, Yunnan, and Tibet)
– grow at elevations of 400–3200 meters at the edge of forest.
Gastrodia elata ( Chin. : 天麻)
– The herb is used in Traditional Chinese medicine and Sichuan cuisine.
– It is one of the three orchids listed in the earliest known Chinese Materia Medica (Shennon bencaojing) (c. 100 AD).
– Medicinally it mainly refers to the dried tubers of Gastrodia elata blume, which is an herb in orchid family, Orchidaceae.
– This species have 5 variants, including Gastrodia elataf.elata, Gastrodia elataf.glaucaS.Chow (1983), Gastrodia elataf.viridis (Makino) Makino (1940), Gastrodia elataf.flavidaS.Chow (1993), and Gastrodia elataf.albaS.Chow (1983).
– gastrodia is of sweet, neutral, and moist nature. It has less ability on clearing heat than Cat’s Claw and Antelope Horns.
– Medicinally, it is used for ‘calming the liver’and for treating headaches, dizziness, tetanus, and epilepsy
– The medicinal uses of gastrodia elata are characterized by calming liver wind agitation by suppressing hyperactive liver and calming hyperactivity of liver-yang by tranquilizing liver and yang.
– Its strength is the versatility of any types of up-stirring of the liver and epileptic seizures, regardless of the patterns are of cold, heat, deficiency or excess nature.
– improvement of motor function after a stroke
– This herb is used to calm the liver and extinguish liver wind from either cold or heat patterns. In TCM this type of liver wind is considered the cause of tremors, headache, spasms, epilepsy, and childhood convulsions.
– Gastrodia Root (tian ma) can also be used to treat problems caused by heat or blood deficiency.
– By extinguishing wind, this herb help alleviate migraines by reducing the migraine headache pain and dizziness that occur with wind-phlegm patterns.
– This herb will also help relieve numbness and pain in the lower back and extremities caused by wind phlegm.
– Traditional Chinese herbalists also use gastrodia to treat numbness of the limbs, rheumatism, arthritis, sciatica,