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Angelica dahurica - (Fisch.)Benth.&Hook.f. ex Franch. & Sav.                
                 
Common Name Bai Zhi
Family Apiaceae or Umbelliferae
Synonyms
Known Hazards All members of this genus contain furocoumarins, which increase skin sensitivity to sunlight and may cause dermatitis[238].
Habitats Damp habitats in mountains, C. Japan[58, 200]. Thickets[254]. In grasses of valleys, by streams or at forest edges in China[266].
Range E. Asia - Japan, Korea, Siberia.
Edibility Rating  
Medicinal Rating  
Care
Moist Soil Semi-shade Full sun

Summary       

Physical Characteristics       
 icon of manicon of flower
Angelica dahurica is a BIENNIAL/PERENNIAL growing to 1.8 m (6ft).
It is not frost tender. It is in flower from Jul to August, and the seeds ripen from Aug to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.The plant is self-fertile.


USDA hardiness zone : Coming soon


Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Angelica dahurica Bai Zhi


http://flickr.com/photos/bettaman/
Angelica dahurica Bai Zhi
http://flickr.com/photos/bettaman/
   
Habitats       
Woodland Garden Dappled Shade; Shady Edge;
Edible Uses                                         
Edible Parts: Leaves.
Edible Uses:

Leaves - cooked[105, 177].
Medicinal Uses


Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Analgesic;  Antibacterial;  Antidote;  Carminative;  Diaphoretic;  Poultice;  Stimulant.

Bai Zhi has been used for thousands of years in Chinese herbal medicine where it is used as a sweat-inducing herb to counter harmful external influences[254]. Bai Zhi is contraindicated for pregnant women[254]. The root contains an essential oil, resins, furanocoumarins etc[283]. It is analgesic, anodyne, antibacterial, antidote, carminative, diaphoretic, diuretic, poultice and stimulant[176, 178, 218]. It is used in the treatment of frontal headache, tothache, rhinitis, boils, carbuncles and skin diseases[176, 279]. It appears to be of value in treating the facial pain of trigeminal neuralgia[254]. The roots are harvested in the autumn, dried and stored for later use[283]. Small quantities of angelicotoxin, one of the active ingredients in the root, have an excitatory effect on the respiratory centre, central nervous system and vasculomotor centre. It increases the rate of respiration, increases blood pressure, decreases the pulse, increases the secretion of saliva and induces vomiting[176]. In large doses it can cause convulsions and generalized paralysis[176].
Other Uses
None known
Cultivation details                                         
We have very little information on this species and do not know how hardy it will be in Britain, though judging by its native range it should succeed outdoors in most parts of this country. The following notes are based on the general needs of the genus. Requires a deep moist fertile soil in dappled shade or full sun[200]. Plants are reliably perennial if they are prevented from setting seed[200].
                                                                                 
Propagation                                         
Seed - best sown in a cold frame as soon as it is ripe since the seed only has a short viability[200]. Seed can also be sown in the spring, though germination rates will be lower. It requires light for germination[200]. When large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame for their first winter, planting them out into their permanent positions in the spring. The seed can also be sow in situ as soon as it is ripe.
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Expert comment                                         
 
      
Author                                         
(Fisch.)Benth.&Hook.f. ex Franch. & Sav.
                                                                                 
Botanical References                                         
58266275
                                                                                 
Links / References                                         

[58]Ohwi. G. Flora of Japan. (English translation)
The standard work. Brilliant, but not for the casual reader.
[105]Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World.
The most comprehensive guide to edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
[176]Yeung. Him-Che. Handbook of Chinese Herbs and Formulas.
An excellent Chinese herbal giving information on over 500 species. Rather technical and probably best suited to the more accomplished user of herbs.
[177]Kunkel. G. Plants for Human Consumption.
An excellent book for the dedicated. A comprehensive listing of latin names with a brief list of edible parts.
[178]Stuart. Rev. G. A. Chinese Materia Medica.
A translation of an ancient Chinese herbal. Fascinating.
[200]Huxley. A. The New RHS Dictionary of Gardening. 1992.
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
[218]Duke. J. A. and Ayensu. E. S. Medicinal Plants of China
Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
[254]Chevallier. A. The Encyclopedia of Medicinal Plants
An excellent guide to over 500 of the more well known medicinal herbs from around the world.
[266] Flora of China
On-line version of the Flora - an excellent resource giving basic info on habitat and some uses.
[279] Medicinal Plants in the Republic of Korea
An excellent book with terse details about the medicinal uses of the plants with references to scientific trials. All plants are described, illustrated and brief details of habitats given.
[283]Nguyen Van Dan & Doan Thi Nhu Medicinal Plants in Vietnam
An excellent book, giving information on over 200 plants, their medicinal compounds and applications.

Readers comment                                         
 
Elizabeth H.
Anna Poh Mon Nov 3 2008
regards to angelica dahurica, does the plant have the properties to reduce white discharge for women.
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