Camptotheca acuminata - Happy tree Camptotheca lowreyana
The Happy tree, Camptotheca acuminata, is a medium-sized deciduoustree native to central China, usually included in the tupelo family Nyssaceae, but sometimes included (with the tupelos) in the dogwood family Cornaceae.
An extract from the Happy tree is used as an anti-cancer treatment in China.
The name 'happy tree' is a direct translation of the Chinese name xi shu.
A second species, Camptotheca lowreyana, has been described recently (see Flora of China link below).
External links
Hortiplex: brief details and good photo (http://hortiplex.gardenweb.com/plants/p1/gw1007256.html) Flora of China - draft text (http://flora.huh.harvard.edu/china/mss/volume13/Nyssaceae-AGH_coauthoring.htm)
Camptotheca acuminata seeds were obtained from Jintang (30.72° N, 104.61° E), Sichuan Province, China in January 2002.
Camptotheca acuminata has CPT in all organs throughout its life cycle (Lin et al., 1977; Liu and Adams, 1996) but produces little HCPT except in cotyledon and embryonal axis of 9-15 day old seedlings (Lopez-Meyer et al., 1994).
Study on chemical components in Camptotheca acuminata, an anti-cancer plant I. Chemical components in roots of C.
This herb is the fruit, root, twig, leaf and bark of Camptothecae acu-minata (family Nys-saceae), produced in most provinces south of the Yangtze River.
Psoriasis, 20 percent of ointment of the fruit is used for external application; camptotheca seed injection of seed for intramuscular injection.
Hepatospleno-megaly caused by schistosomiasis:100 percent bark injection is used for intramuscularinjection.
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