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Rheum ribes - L.
                 
Common Name
Family Polygonaceae
USDA hardiness 5-9
Known Hazards Although no specific mention has been seen for this species, the leaves of some if not all members of this genus contain significant quantities of oxalic acid and should not be eaten in any quantity. Oxalic acid can lock up certain minerals in the body, especially calcium, leading to nutritional deficiency. The content of oxalic acid will be reduced if the plant is cooked. People with a tendency to rheumatism, arthritis, gout, kidney stones or hyperacidity should take especial caution if including this plant in their diet since it can aggravate their condition[238].
Habitats Dry gorges among rocks, 2300 - 2700 metres[93, 187].
Range W. Asia - Turkey to Iran.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun

Summary

Rheum ribes


Rheum ribes
   
Physical Characteristics
 icon of manicon of flower
Rheum ribes is a PERENNIAL growing to 1.5 m (5ft).
It is hardy to zone (UK) 6. It is in flower from Jun to July, and the seeds ripen from Jul to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Wind.Suitable for: medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

Synonyms

Habitats
 Cultivated Beds;
Edible Uses
Edible Parts: Stem.
Edible Uses:

Leaf stem - cooked[2, 93, 105]. Eaten raw by the local people[187].
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.



None known
Other Uses
None known
Cultivation details
Prefers a deep, fertile, moderately heavy, humus rich, moisture retentive, well-drained soil in sun or semi-shade[200]. Grows well in heavy clay soils. Best grown in a dry position, where it can be very long-lived[187]. Hardy to about -20°c according to one report[200] whilst another says that plants are somewhat tender in Britain[1]. Plants in this genus seem to be immune to the predations of rabbits[233]. Hybridizes freely with other members of this genus[200].
Propagation
Seed - best sown in autumn in a shaded cold frame[200]. The seed can also be sown in spring in a cold frame. When large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse or cold frame for their first winter, planting them out in the spring. Division in early spring or autumn[1, 111]. Divide up the rootstock with a sharp spade or knife, making sure that there is at least one growth bud on each division. Larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.

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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 :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Jeffersonia diphyllaTwinleaf, Rheumatism Root02
Rheum australeHimalayan Rhubarb33
Rheum compactum 20
Rheum coreanum 01
Rheum nobileSikkim Rhubarb32
Rheum officinaleChinese Rhubarb13
Rheum palmatumTurkey Rhubarb, Chinese Rhubarb - Da Huang, Chinese rhubarb35
Rheum palmatum tanguticumDa Huang35
Rheum rhaponticumRhubarb, Garden rhubarb23
Rheum spiciforme 21
Rheum tataricumTartarian Rhubarb20
Rheum x cultorumRhubarb43
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Expert comment
 
Author
L.
Botanical References
93200
Links / References
For a list of references used on this page please go here
Readers comment
 
Elizabeth H.
Andreas Emmerling-Skala, Germany Fri Aug 29 16:04:54 2003
important for the history of Rheum ribes: Laufer, Berthold: Sino-Iranica. Chinese contributions to the history of civilization in ancient Iran with special reference to the History of Cultivated Plants and Products (= Field Museum of Natural History, Publ 201) (= Anthropol. Ser 15,3) Chicago 1919 [Taipeh 1978] p. 547f
Elizabeth H.
Ann Seigies Sun Mar 16 2008

www.efloras.org Flora of Pakistan Provides additional taxonomical details

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Subject : Rheum ribes  

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