- Source: Cinchona calisaya
Cinchona calisaya is a species of shrub or tree in the family Rubiaceae. It is native to the forests of the eastern slopes of the Andes, where they grow from 200–3,300 metres (660–10,830 ft) in elevation in Peru and Bolivia.
References
Further reading
Maehara, Shoji; Simanjuntak, Partomuan; Maetani, Yoshihide (April 2013). "Ability of endophytic filamentous fungi associated with Cinchona ledgeriana to produce Cinchona alkaloids". Journal of Natural Medicines. 67 (2): 421–423. doi:10.1007/s11418-012-0701-8. PMID 22886817. S2CID 17989846.