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Gastrodia elata - Blume.
                 
Common Name Tien Ma
Family Orchidaceae
USDA hardiness 5-9
Known Hazards None known
Habitats Woods in the mountains of N. Japan[58].
Range E. Asia - China, Japan, Korea.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Moist Soil Full shade Semi-shade

Summary

Gastrodia elata Tien Ma


Gastrodia elata Tien Ma
   
Physical Characteristics
 icon of manicon of flower
Gastrodia elata is a PERENNIAL growing to 1 m (3ft 3in) by 0.3 m (1ft).
It is hardy to zone (UK) 6. It is in flower from Jul to August. The flowers are hermaphrodite (have both male and female organs)Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in full shade (deep woodland) or semi-shade (light woodland). It prefers moist soil.

Synonyms

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

Root - raw or roasted[61, 178]. Large[178].
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;  Antispasmodic;  Aphrodisiac;  Carminative;  Cholagogue;  Sedative;  Tonic.

This species has been used in Chinese herbal medicine for over 1,500 years[238]. The root contains a number of phenolic compounds with medicinal actions[279]. It is a sweet, acrid, herb that is analgesic, anticonvulsive, antispasmodic, carminative, cholagogue, sedative and tonic[147, 174, 176, 238, 279]. It is used internally in the treatment of convulsive illnesses (such as epilepsy and tetanus), rheumatoid arthritis, vertigo and numbness associated with liver disharmony[238]. The root is harvested in the autumn and dried for later use[238]. The stem is aphrodisiac and tonic[218].
Other Uses
None known
Cultivation details
A saprophytic herb, it is without green parts and is entirely dependant upon a fungus for its nutriment[238]. This makes it very difficult to cultivate outside its native range. As well as its fungal host, it also requires a damp humus-rich soil in a sheltered woodland position[238]. The plants are very hardy, tolerating temperatures down to at least -15°c[238]. This plant is becoming increasingly rare in the wild, due to over-collection as a medicinal plant[238]. Methods of cultivating it have now been devised in China[238]. Orchids are, in general, shallow-rooting plants of well-drained low-fertility soils. Their symbiotic relationship with a fungus in the soil allows them to obtain sufficient nutrients and be able to compete successfully with other plants. They are very sensitive to the addition of fertilizers or fungicides since these can harm the symbiotic fungus and thus kill the orchid[230].
Propagation
Seed - surface sow, preferably as soon as it is ripe, into the plants natural habitat near existing colonies, or onto a bed of Quercus wood inoculated with the fungus Armillaria mellea (introduce this fungus into your land with extreme caution since it kills trees and there is no known preventative[K]). The seed of this species is extremely simple, it has a minute embryo surrounded by a single layer of protective cells. It contains very little food reserves and depends upon a symbiotic relationship with a species of soil-dwelling fungus. The fungal hyphae invade the seed and enter the cells of the embryo. The orchid soon begins to digest the fungal tissue and this acts as a food supply for the plant. Division in autumn. The plant is very intolerant of root disturbance, any moving or dividing should be attempted in the autumn, keep a large ball of soil around the plant[1].

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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
Blume.
Botanical References
58
Links / References
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Subject : Gastrodia elata  

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