Camptotheca: Difference between revisions
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{{Short description|Genus of |
{{Short description|Genus of flowering plants in the family Nyssaceae}} |
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{{Automatic taxobox |
{{Automatic taxobox |
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|image = Camptotheca acuminata HK.jpg |
|image = Camptotheca acuminata HK.jpg |
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Latest revision as of 22:31, 28 April 2024
| Camptotheca | |
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| Camptotheca acuminata | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Cornales |
| Family: | Nyssaceae |
| Genus: | Camptotheca Decne. |
| Species | |
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Camptotheca acuminata | |
Camptotheca (happy tree, cancer tree, or tree of life) is a genus of medium-sized deciduous trees growing to 20 metres (66 ft) tall, 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.
The name "happy tree" is a direct translation of the Chinese name xǐ shù (Simplified Chinese:喜树).
There are two species:
- Camptotheca acuminata Decne.
- Camptotheca lowreyana S.Y.Li
The bark and stems of C. acuminata contain the alkaloid camptothecin.[1] Several chemical derivatives of camptothecin are under investigation for or used as drugs for cancer treatment, including irinotecan, topotecan, rubitecan.[2]
C. acuminata also contains the chemical compounds trifolin and hyperoside.[1]
References[edit]
- ^ a b Li, S.; Zhang, Z.; Cain, A.; Wang, B.; Long, M.; Taylor, J. (2005). "Antifungal Activity of Camptothecin, Trifolin, and Hyperoside Isolated from Camptotheca acuminata". Journal of Agricultural and Food Chemistry. 53 (1): 32–37. doi:10.1021/jf0484780. PMID 15631505.
- ^ G. Samuelsson (2004). Drugs of Natural Origin: a Textbook of Pharmacognosy (5th ed.). Stokkholm: Swedish pharmaceutical press. ISBN 978-91-974318-4-2.
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