Cinchona pubescens In the second trial, a picloram and metsulfuron solution was 100% successful in concentrations greater than 4% solution. In the third trial, picloram- metsulfuron solution of 10% concentrations or higher was successful in eradicating the tree. Cinchona pubescens Cinchona pubescens, also known as red cinchona and quina (Quechua) ( "Cascarilla, cinchona"; "quina-do-amazonas, quineira"), is native to Central and South America. It is known as a medicinal plant for its bark's high quinine content- and has similar uses to "Cinchona officinalis" in the production of quinine, most famously used for treatment of malaria. "C. pubescens" varies from small to large in
Cinchona knighted. For the role in establishing cinchona in Indonesia, Hasskarl was knighted with the Dutch order of the Lion. "Cinchona" species are used as food plants by the larvae of some Lepidoptera species, including the engrailed, the commander, and members of the genus "Endoclita", including "E. damor", "E. purpurescens" and "E. sericeus". "Cinchona pubescens" has grown uncontrolled on some islands such as the Galapagos where it has posed the risk of outcompeting native plant species. In herbalism, cinchona bark was used as an adulterant in Jesuit's bark or Peruvian bark which originally is thought to have referred to "Myroxylon peruiferum",