Botanical Name : Anemone chinensis
Species: A. chinensis
Common Name : Bai Tou Weng, , Pulsatilla chinensis
Habitat : Anemone chinensis is native to E. Asia – N. China to E. Siberia. It grows in dry grassy places and rocky hillsides. Forest margins and slopes at elevations of 200 – 3200 metres in China.
Pulsatilla chinensis is a perennial plant, growing to 0.3 m (1ft). It is in flower from Mar to May, and the seeds ripen from Jun to July. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.
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Requires a well-drained humus-rich gritty soil and a sunny position. Tolerates alkaline soils. Plants are hardy to about . They are said to be difficult to grow in Britain, requiring a dry winter and spring followed by a warm humid summer. Large plants have a deep woody rootstock and transplant badly. A greedy plant, inhibiting the growth of nearby plants, especially legumes.
Seed – best sown as soon as it is ripe in early summer in a cold frame. The seed usually germinates in about 2 – 3 weeks. Sow stored seed in late winter in a cold frame. Germination takes about 1 – 6 months at 15°c. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in the spring. Root cuttings, 4cm long taken in early winter, potted up in a mixture of peat and sand. They can also be taken in July/August, planted vertically in pots in a greenhouse or frame.
Chemical composition: The whole herb contain protoanemonin; Root contain triterpene saponins. Contain anemonin, saponin about 9%. In addition, contain Anemonin, is a kind of strong heart poison, but remove root whole herb have strong heart effect, its strong heart composition have Okinalin, C32 H64 O2, Okinalein, C4 H6 O2. Congener Pulsatilla cernua root contain Stigma- sterol, C29 H46 O and B-Sitosterol, and contain Hederagenin, Oleanolic acid and minute quantity of Acetyloleanolic acid. And from the
Ulsatilla nigricans root separate a kind of glycoside, named Pulsatoside A, its aglucone is Hederagenin, its sugar is arabinose, galactose, glucose and rhamnose. Root contain: Okinalin.
In Traditional Chinese Medicine, pulsatilla is used as an anti-inflammatory and is considered specific for amoebic and bacterial dysentery with bloody stool, abdominal pain and tenesmus and is often used with phellodendron bark, coptis rhizome and ash bark, known as Pulsatilla Decoction (Baitouweng Tang). It is most commonly taken as a decoction to counter infection within the gastrointestinal tract. The root is also used to treat malarial fever. In addition, this herb can be used with flavescent sophora to prepare a lotion for the treatment of trichomoniasis vaginalis. The root contains the lactone protoanemonin which has an irritant and antibacterial action. Protoanemonin is destroyed when the root is dried. The fresh herb is a cardiac and nervous sedative, producing a hypnotic state with a diminution of the senses followed by a paralyzing action. A constituent similar to digitalis can be extracted from the whole herb with the roots removed. This is cardiotonic.
Bai Tou Weng is thought to clear toxicity and to lower fever. It is most commonly taken as a decoction to counter infection within the gastro-intestinal tract. The root is anodyne, anti-inflammatory, antispasmodic, astringent and sedative. The root is an effective cure for bacterial and amoebic dysentery. It is also used in the treatment of malaria, nose bleeds and haemorrhoids and is used externally to treat Trichomonas vaginitis. The root is harvested in the autumn or before the plant comes into flower in the spring, it can be dried for later use. The root contains the lactone protoanemonin which has an irritant and antibacterial action. Protoanemonin is destroyed when the root is dried. The fresh herb is a cardiac and nervous sedative, producing a hypnotic state with a diminution of the senses followed by a paralysing action. A constituent similar to digitalis can be extracted from the whole herb with the roots removed. This is cardiotonic
Known Hazards : Although no mention has been seen for this species, at least one member of the genus is slightly toxic, the toxins being dissipated by heat or by drying the plant
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.