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Arisaema amurense - Maxim.
                 
Common Name Tian Nan Xing
Family Araceae
USDA hardiness 4-8
Known Hazards The plant contains calcium oxylate crystals. These cause an extremely unpleasant sensation similar to needles being stuck into the mouth and tongue if they are eaten but they are easily neutralized by thoroughly drying or cooking the plant or by steeping it in water.
Habitats Virgin forests, mountains and river banks[74]. Deciduous forest, mixed forest, under woods and by streams at elevations of 50 - 200 metres in China[266].
Range E. Asia - N. China, Japan, Korea.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Moist Soil Full shade Semi-shade Full sun

Summary

Arisaema amurense Tian Nan Xing


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Arisaema amurense Tian Nan Xing
http://www.biopix.com/
   
Physical Characteristics
 icon of manicon of flower
Arisaema amurense is a PERENNIAL growing to 0.5 m (1ft 8in) by 0.5 m (1ft 8in).
It is hardy to zone (UK) 5. The flowers are dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required) and are pollinated by Flies.The plant is not self-fertile.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers moist soil.

Synonyms

Habitats
Woodland Garden Dappled Shade; Shady Edge; not Deep Shade;
Edible Uses
Edible Parts: Leaves;  Root.
Edible Uses:

Well-soaked roots can be boiled, peeled and eaten[177]. The tuber is 6 - 7cm in diameter[266]. Some caution is advised, see the notes above on toxicity. Young leaves - cooked[177]. Some caution is advised, see the notes above on toxicity.
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.

Anodyne;  Antispasmodic;  Cancer;  Expectorant;  Vermifuge.

Tian Nan Xing has been used in Chinese herbal medicine for thousands of years and is valued especially for its beneficial affect upon the chest[254]. When prescribed internally it is always used dried and in conjunction with fresh ginger root[254]. The root is an acrid irritant herb that is anodyne, antibacterial, antifungal, antiphlogistic, antirheumatic, anticancer, antispasmodic, antitumor, expectorant, sedative and stomachic[147, 176, 218, 238, 279]. The dried root is used internally in the treatment of coughs with profuse phlegm, tumours, cervical cancer, epilepsy, tetanus and complaints involving muscular spasms[176, 238]. The fresh root is applied externally as a poultice to ulcers and other skin complaints[254]. The root is harvested when the plant is dormant in the autumn or winter and is dried for later use[238].
Other Uses
None known
Cultivation details
Prefers a cool peaty soil in the bog, woodland garden or a sheltered border in semi-shade[200]. Prefers a loamy or peaty soil[1] and will tolerate a sunny position if the soil is moist but not water-logged and the position is not too exposed[1, 200]. This species is well suited to the front of a peat border[200]. Tubers should be planted about 15cm deep[233]. Only plant out full sized tubers and mulch them with organic matter in the winter[200]. Plants require protection from slugs[200]. Most species in this genus are dioecious, but they are sometimes monoecious and can also change sex from year to year.
Propagation
Seed - best sown as soon as it is ripe in a shady position in a cold frame[134]. Stored seed remains viable for at least a year and can be sown in spring in the greenhouse but it will probably require a period of cold stratification. Germination usually takes place in 1 - 6 months at 15°c[134]. When large enough to handle, prick the seedlings out into individual pots and grow them on in light shade in the greenhouse for at least a coupe of years until the corms are more than 20mm in diameter. Plant out into their permanent positions whilst they are dormant. Division of tubers when the plant dies down in late summer.
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
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Expert comment
 
Author
Maxim.
Botanical References
74200266
Links / References
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Subject : Arisaema amurense  

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