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{{stub}} [[File:Camptotheca acuminata HKDecne. (AM AK304856-1).jpg|thumb|right|''AngelicaCamptotheca acuminata'']] '''Camptotheca (happy tree, cancer tree, or tree of life) acuminata''' is a genus of medium-sized deciduous trees growing tree. It grows up to 20 metres (66 ft) tall, . It is native to southern China and Tibet. The genus is usually included in the tupelo family Nyssaceae, but sometimes included (with the tupelos) in the dogwood family Cornaceae. 

{{Uses|common Common colds}}, {{Uses|psoriasisPsoriasis}}, {{Uses|digestive Digestive problems}}, {{Uses|Curing liver disorders}}, {{Uses|brain Brain tumors}}, {{Uses|liver Liver cancer}}, {{Uses|leukemiaLeukemia}}

{{Parts Used|Wood}}, {{Parts Used|barkBark}}, {{Parts Used|leavesLeaves}}, {{Parts Used|fruitFruits}}

By Chemical analysis of xi shu has revealed that it contains camptothecine, a pentacyclic quinoline alkaloid<ref name="chemical composition"/>

{{Common names|kn=|ml=|sa=|ta=|te=|hi=|en=Agrimony}} ==Properties==Reference: Dravya - Substance, Rasa - Taste, Guna - Qualities, Veerya - Potency, Vipaka - Post-digesion effect, Karma - Pharmacological activity, Prabhava - Therepeutics.===Dravya=== ===Rasa=== ===Guna=== ===Veerya=== ===Vipaka=== ===Karma=== ===Prabhava===

{{Leaf|Simple||The leaves are divided into 3-6 toothed leaflets, with smaller leaflets in between}}<ref name="Leaf"/>

{{Fruit||7–10 mm (0.28–0.4 in.) long pome|clearly Clearly grooved lengthwise, Lowest hooked hairs aligned towards crown|With hooked hairs|}}

{{Commonly seen|Tall grasslands}}, {{Commonly seen|meadowsMeadows}}, {{Commonly seen|Borders of forests and fields}}.

Image:Agrimonia eupatoria MHNT Camptotheca acuminata - United States Botanic Garden - DSC09523.BOTJPG  Camptotheca acuminata Decne.2004(AM AK304628-1).0jpg  Camptotheca acuminata Decne. (AM AK304628-2).jpg  Camptotheca acuminata Decne. (AM AK304628-3).jpg  Camptotheca acuminata Decne. (AM AK304856-1).jpg  Camptotheca acuminata Decne. (AM AK304856-2).jpg  Camptotheca acuminata Decne. (AM AK304856-3).jpg 

<ref name="chemical composition">[https://www.herbs2000.com/herbs/herbs_xi_shu.htm "herbs2000.com"Chemical Constituents]</ref><ref name="Leaf">[https://web.archive.org/web/20131226161459/http://www.wildflowers-guide.com/39-agrimony.html "wayback machine"]</ref>

* [https://medicinalplants101.blogspot.in/2014/01/camptotheca-aka-cancer-tree.htmlEditing Camptotheca acuminata on Medicinal Plants101.blogs.in]* [https://books.google.co.in/books?id=3sPwKo3b3cUC&pg=PA353&lpg=PA353&dq=plantscamptotheca+acuminata&source=bl&ots=GFb747A683&sig=v_Vmxt8FEqxEhW8Mxwcz6YjOmRE&hl=en&sa=X&ved=0ahUKEwif7_mz4cDaAhWGqY8KHetQBiIQ6AEITTAD#v=onepage&q=plantscamptotheca%20acuminata&f=falseEfloras.org meidcinal plant biotechnology]* [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200014692Camptotheca acuminata on Efloras.org]* [http://www.theplantlist.org/browse/A/Cornaceae/Camptotheca/Camptotheca acuminata with plant list.org]