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Rha - DC.

Common Name
Family Rhamnaceae
USDA hardiness 7-10
Known Hazards None known
Habitats On rocks and in forests, 2000 - 2700 metres in the Himalayas[146]. Scrub thickets in dry places at elevations of 2400 - 4000 metres in Nepal[272].
Range E. Asia - C. and N. China to the Himalayas.
Edibility Rating    (2 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care (info)
Frost Hardy Moist Soil Semi-shade Full sun
Rha


http://flickr.com/photos/bahamutzero/3070952262/
Rha

 

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Summary


Physical Characteristics

 icon of manicon of climber
Rha is a deciduous Climber growing to 4 m (13ft 1in).
See above for USDA hardiness. It is hardy to UK zone 8. It is in flower from July to August, and the seeds ripen in November. The species is hermaphrodite (has both male and female organs).
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Rhamnus lineatus.

Plant Habitats

Edible Uses

Fruit. - raw or cooked[177, 272]. Only eat the fruit when it is black ripe[105]. The fruit is not very freely produced in Britain[1]. The fruit is about 8mm in diameter[200].

References   More on Edible Uses

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.


The plant has been used as a febrifuge[240]. The roots and leaves have been used as a medicine to relieve coughs and reduce sputum, to treat injuries, trauma and snakebite[266]

References   More on Medicinal Uses

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Other Uses

None known

Special Uses

References   More on Other Uses

Cultivation details

Requires a good moist well-drained loam, succeeding in full sun if the soil does not dry out otherwise it is best in light shade[11, 200]. This species is not hardy in the colder areas of the country, it tolerates temperatures down to between -5 and -10°c[200]. Suitable for growing along fences, against walls with wire supports or for growing through other shrubs[200]. Plants climb by means of twining around supports[182]. Closely related to B. edgeworthii[182].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - sow spring or autumn in a cold frame[200]. 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 late spring or early summer, after the last expected frosts. Cuttings of half-ripe wood, July/August in a frame[200]. Cuttings of mature wood of the current season's growth, November to January in a frame. Root cuttings in winter[200]. Layering of young stems in winter[200].

Other Names

If available other names are mentioned here

Native Range

TEMPERATE ASIA: China (Fujian Sheng, Guangdong Sheng, Guangxi Zhuangzu Zizhiqu, Hainan Sheng),Japan (Ryukyu Islands), Taiwan TROPICAL ASIA: Vietnam (north)

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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Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

Expert comment

Author

DC.

Botanical References

11200

Links / References

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Subject : Rha  
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