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[[File:'Rheum x hybridum' Rhubarb (Victoria Capel Manor Gardens Enfield London England 2.jpg|thumb|right]]'''Rheum rhabarbarum) ''' is a species of plant in the family Polygonaceae. It is a herbaceous perennial growing from short, thick rhizomes. It produces large poisonous leaves that are somewhat triangular, with long fleshy edible stalks and small flowers grouped in large compound leafy greenish-white to rose-red inflorescences.==Uses=={{Uses|Heartburn}}, {{Uses|Stomachache}}, {{Uses|Gastrointestinal disorder}}, {{Uses|Bleeding}}, {{Uses|Skin eruptions}}, {{Uses|Hemorrhoids}}, {{Uses|Anal fissures}}, {{Uses|Diarrhea}}, {{Uses|Sore throats}}

In culinary use, fresh raw leaf stalks (petioles) are crisp (similar to celery) with a strong, tart taste. Although rhubarb is not a true fruit, in the kitchen it is usually prepared as if it were.<ref name="int"/> Most commonly, the stalks are cooked with sugar and used in pies, crumbles and other desserts. A number of varieties have been domesticated for human consumption=Parts Used=={{Parts Used|Leaves}}, most of which are recognised as Rheum x hybridum by the Royal Horticultural Society{{Parts Used|Flowers}}.

== Uses Chemical Composition==The chemical composition of rhubarb juice is characterised by a low relative density and low Brix (4–4.8 °Brix), due to a low sugar content (about 12 g/l), whereas the total acidity is high (about 17 g/l).<ref name="chemical composition"/>

*Rhubarb is grown primarily for its fleshy stalks, technically known as petioles. The use of rhubarb stalks as food is a relatively recent innovation. ==Common names==*Commonly, it is stewed with sugar or used in pies and desserts, but it can also be put into savory dishes or pickled. {{Common names|kn=|ml=|sa=|ta=|te=|hi=|en=Rhubarb can be dehydrated and infused with fruit juice. In most cases, it is infused with strawberry juice to mimic the popular strawberry rhubarb pie.*In traditional Chinese medicine, rhubarb roots have been used as a laxative for several millennia.<ref name="uses"/>Rheum}}

== References Properties==Reference: Dravya - Substance, Rasa - Taste, Guna - Qualities, Veerya - Potency, Vipaka - Post-digesion effect, Karma - Pharmacological activity, Prabhava - Therepeutics.===Dravya===

<references>===Rasa===Tikta (Bitter), Kashaya (Astringent)===Guna===Laghu (Light), Ruksha (Dry), Tikshna (Sharp)===Veerya===Ushna (Hot)===Vipaka===Katu (Pungent)===Karma===Kapha, Vata===Prabhava=== ==Habit=={{Habit|Herb}} ==Identification=====Leaf==={{Leaf|Simple||Basal leaf blades palmately veined with 5-7 basal veins}}<ref name="intLeaf"/>[https://books ===Flower==={{Flower|Unisexual|2.google3-4 × 1-2.co5 mm|Yellow|5-20|Flowers Season is June - August}} ===Fruit==={{Fruit||7–10 mm|Clearly grooved lengthwise, Lowest hooked hairs aligned towards crown|With hooked hairs|Many}} ===Other features=== ==List of Ayurvedic medicine in which the herb is used== ==Where to get the saplings====Mode of Propagation=={{Propagation|Seeds}}. ==How to plant/cultivate==Plant Rhubarb (Rheum rhabarbarum) in full sun to partial shade inmoist, humus-rich soil. Space plants 3-4ft apart in rows 5-6ft apart, with the plants' crowns at soil level or no more than 2in below soil level.<ref name="How to plant/books?idcultivate"/> ==Commonly seen growing in areas=={{Commonly seen|Tall grasslands}}, {{Commonly seen|Trophical region}}, {{Commonly seen|Borders of forests and fields}}. =ftMSBQAAQBAJ&pg=PA20&dqPhoto Gallery=&redir_esc=y#v<gallery class="left" caption="" widths=onepage&q&f"140px" heights=false "140px">'Rheum x hybridum' Rhubarb Victoria Capel Manor Gardens Enfield London England 1.jpg'Rheum x hybridum' Rhubarb Delights Cookbook: a Collection of Victoria Capel Manor Gardens Enfield London England 2.jpg1024 Rhabarber-Blütenstand 2903.jpg98 - CIMG3839.jpgAm Geméisgaart op der Pafemillen-104.jpgApril 22, Rhubarb Recipes].jpgBlühender Rhabarber 1.jpg</refgallery> ==References== <references><ref name="useschemical composition">[https://bookswww.googlesciencedirect.cocom/science/article/pii/S0023643812003131 Chemical constituents]</ref> <ref name="Leaf">[http://eol.inorg/pages/485576/details Morphology]</books?idref> <ref name=aTTBPedwFfAC&pg=PT235&redir_esc=y#v=onepage&q&f=false Barceloux, Donald G (7 March 2012)"How to plant/cultivate">[https://www.whiteflowerfarm. Medical Toxicology of Natural Substances: Foods, Fungi, Medicinal Herbs, Plants, and Venomous Animalscom/how-to-grow-rhubarb Growing Rhubarb]</ref>

== External Links ==* [https://www.drugs.com/npp/rhubarb.html Rheum rhabarbarum on drugs.com]*[https://enwww.wikipediawebmd.com/vitamins/ai/ingredientmono-214/rhubarb Rheum rhabarbarum on webmd.com]* [https://gobotany.newenglandwild.org/species/rheum/rhabarbarum/ Rheum rhabarbarum on gobotany.newenglandwild.org]* [https://plants.jstor.org/wikicompilation/Rhubarb Rhubarb - WikipediaRheum.rhabarbarum Rheum rhabarbarum on plants.jstor.org ]