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Boehmeria nivea - (L.)Gaudich.

Common Name Ramie, Chinese Grass, Chinese Silk Plant
Family Urticaceae
USDA hardiness 6-9
Known Hazards Although members of the nettle family, plants in this genus do not have stinging hairs[235].
Habitats Rocky places to 1200 metres[109]. A very common plant in China, growing in thickets, roadsides, edges of forests in mountains at elevations of 200 - 1700 metres[266].
Range E. Asia - China to the Himalayas of Bhutan, Sikkim and Nepal.
Edibility Rating    (2 of 5)
Other Uses    (5 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun
Boehmeria nivea Ramie, Chinese Grass, Chinese Silk Plant


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Boehmeria nivea Ramie, Chinese Grass, Chinese Silk Plant
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Summary

Ramie, Boehmeria nivea, is an erect, herbaceous, perennial, flowering plant up to 1 -3 m tall with thick storage roots. The leaves are heart-shaped with white, hairy underside. It is highly cultivated for its high quality fibre or as an ornamental plant. It is also used in preventing miscarriages during pregnancy. The leaves are used as treatment of fluxes and wounds while the roots are used in the treatment of threatened abortions, colic of pregnancy, haemorrhoids, leucorrhoea, impetigo, etc. The root is edible when peeled and boiled. It has a pleasant and sweet taste. The leaves are furthermore used in making cakes. Ramie is planted to prevent soil erosion. The inner bark is a source of the known longest fibre used in making paper. Other Names: China Grass, Kankura, Rami, Rhea.


Physical Characteristics

 icon of manicon of flower
Boehmeria nivea is an evergreen Perennial growing to 1.8 m (6ft) by 1 m (3ft 3in).
It is hardy to zone (UK) 7 and is not frost tender. It is in flower from September to October. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind.
Suitable for: light (sandy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very acid soils.
It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

Synonyms

B. tenacissima. Gaud.

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Cultivated Beds;

Edible Uses

Edible Parts: Leaves;  Root.
Edible Uses:

Edible portion: Root, Leaves, Seeds – oil. Root - peeled and boiled. A pleasant, sweet taste[ 179 ]. We can detect very little flavour, but the root has a very strange mucilaginous texture that does not appeal to most people who have tried it[ K ]. Once in the mouth, it takes a lot of chewing before it is ready to be swallowed[ K ]. The leaves are used for making cakes[ 283 ]. This report could refer to the plants use as a poultice[ K ]. They are also used as a dye to make black rice cake [1b].

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.

Antiphlogistic;  Astringent;  Demulcent;  Diuretic;  Febrifuge;  Haemostatic;  Poultice;  Resolvent;  
Vulnerary;  Women's complaints.

Antiphlogistic, demulcent, diuretic, febrifuge, haemostatic and vulnerary. Used to prevent miscarriages and promote the drainage of pus[ 147 , 178 ]. The leaves are astringent and resolvent[ 218 , 240 ]. They are used in the treatment of fluxes and wounds[ 218 ]. The root contains the flavonoid rutin[ 283 ]. It is antiabortifacient, antibacterial, cooling, demulcent, diuretic, resolvent and uterosedative[ 218 , 283 ]. It is used in the treatment of threatened abortions, colic of pregnancy, haemorrhoids, leucorrhoea, impetigo etc[ 283 ]. The fresh root is pounded into a mush and used as a poultice[ 283 ].

Other Uses

Fibre;  Paper.

Agroforestry Uses: Planted to prevent erosion in gullies[ 331 ]. Other Uses A fibre is obtained from the inner bark of the stem - of excellent quality, it is highly water-resistant and has a greater tensile strength than cotton[ 418 ]. It is used for textiles, linen etc and is said to be moth-proof[ 1 , 46 , 57 , 61 , 74 , 171 ]. It is best harvested as the female flowers open[ 169 ]. The outer bark is removed and then the fibrous inner bark is taken off and boiled before being woven into thread[ 178 ]. The fibres are the longest known in the plant realm.[ 61 , 171 ] The tensile strength is 7 times that of silk and 8 times that of cotton, this is improved on wetting the fibre[ 61 ]. The fibre is also used for making paper[ 189 ]. The leaves are removed from the stems, the stems are steamed and the fibres stripped off. The fibres are cooked for 2 hours with lye, fresh material might require longer cooking, and they are then beaten in a Hollander beater[ 189 ] before being made into paper.

Cultivation details

Fodder: Bank;  Industrial Crop: Fiber;  Management: Fodder;  Management: Hay;  Minor Global Crop;  Staple Crop: Protein.

A plant of the sub-tropics to the tropics, also succeeding in warm temperate areas. The plant can be grown between latitudes 6 - 45°N and 9 - 38°S. It is adapted to a relative air humidity about 80%. Both excessive rainfall and drought affects the quality of the fibre. Relatively flat areas, not subject to flooding as well as gentle sloping lands, not subject to erosion are suitable for ramie production. It is found at elevations up to 1,300 metres. It grows best in areas where annual daytime temperatures are within the range 17 - 27°c, but can tolerate 10 - 34°c[ 418 ]. It prefers a mean annual rainfall in the range 1,500 - 2,500mm, but tolerates 1,000 - 4,000mm[ 418 ]. Requires a rich warm sandy soil that is very well drained[ 1 , 57 , 123 , 200 ]. Succeeds in a wide range of soils so long as they are fertile[ 418 ]. Intolerant of wet soils[ 200 ]. This is a very greedy plant that can soon impoverish a soil, it requires a lot of feeding if it is to perform well[ 123 ]. All plant remains, after the fibre has been removed, should be returned to the soil[ 123 ]. Prefers a pH in the range 5.4 - 6.5, tolerating 4.8 - 7.5[ 418 ]. Boehmeria nivea is an extremely variable species that is widespread over large areas of subtropical and tropical Asia. Its complex species includes several infraspecific taxa, four varieties of which are found in China[ 266 ]. The sub-species B. Nivea tenacissima. (Gaud.)Miquel., which produces the fibre 'Rhea' is a native of Malaysia and is not hardy in Britain[ 200 ]. Yields are from 375 to 900 kilos of fibre (per acre?)[ 123 ]. Two to four harvests per year are possible depending upon the climate, it is harvested as the stems turn brown[ 123 ]. Yields of green plants may in temperate regions vary between 15 - 20 tonnes/ha and in tropical areas 8 - 10 tonnes/ha. Yields of about 1400 kg fibre/ha have been reported[ 418 ]. There are an increase in yields in the 2nd and 3rd year[ 418 ]. Stems can be harvested 2 - 3 times per year in temperate areas, 4 - 5 times in subtropical areas and in the tropics up to 6 crops can be produced annually[ 418 ]. The crop is normally replanted after 7 - 10 years, but may persist for 20 years[ 418 ]. The plant tends to take up whatever minerals are present in the soil. This could cause problems for example high uptake of molybdenum can lead to conditioned copper deficiency[ 289 ]. Found In: Africa, Asia, Australia, Bangladesh, Brazil, China*, East Africa, Fiji, Haiti, Hawaii, India, Indochina, Indonesia, Japan, Laos, Malaysia, Mozambique, Norfolk Island, Pacific, Philippines, Rwanda, SE Asia, South America, Taiwan, USA, Vietnam.

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Propagation

Seed - sow in pots and only just cover the seed. When they are large enough to handle, prick the seedlings out into individual pots and plant them out when at least 20cm tall. Division. Very easy, larger divisions can be planted straight into their permanent positions whilst smaller clumps are best planted in a nursery until they are growing away well. Layering. Basal cuttings. Harvest new shoots when they are about 10 - 15cm long with plenty of underground stem. Pot them up into individual pots and keep them in light shade until they are rooting well.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

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.

None Known

Conservation Status

IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed.

Related Plants

 

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Expert comment

Author

(L.)Gaudich.

Botanical References

109200266

Links / References

For a list of references used on this page please go here

Readers comment

Mrs.C   Sun Jun 11 2006

The textiles made from ramie are modernly said to be disinfectant or germicidal. It's this property that makes them so resistant to rot, wet or dry, and especially good for socks, athletic wear, bandages, hospital gowns, hospital linens, and clothing/underwear for women prone to yeast infections. I read somewhere that ramie textiles, like "Dragon's Blood" dye, would kill the smallpox virus. Having used smashed (with a mortar and pestle) fresh ramie to pack wounds for lack of any other real medicine, bandages, and supplies, I think that ramie deserves some serious investigation into it's medical properties. As for me, I have been getting plain natural white ramie fabric via the Internet for making curtains and summer clothes, and have been very happy with the results. The fabric does seem much stronger and tougher than cotton of the same weight and weave.

Perelin   Fri Feb 16 2007

Edible Uses The leaves are used for making cakes[283]. This report could refer to the plants use as a poultice[K]. The leaves of this plant IS used to make a dessert cake, at least in Korea. In summer, the leaves are steamed, combined with rice soaked in water, then ground very finely. The mixture is steamed, then poured out onto a wooden board and beaten smooth with a huge wooden hammer traditionally. The cakes are supposed to be a beautiful deep green and fragrant.

Naver Encyclopedia It's written in Korean

moses   Fri Sep 19 2008

Evaristo Piedrahita hacienda la Trindad Rio Negro Colombia   Mon Nov 17 2008

I use Boehmeria nivea for cattle food

kai   Fri Nov 21 2008

also add its growth stage, climactic requirement, economic importance and its distribution

http://www.pfaf.org/database/plants.php?Boehmeria+nivea

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