Cinchona pubescens 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 size, growing to 10 meters in height (33 ft). When cut, the bark tends to turn red. Leaves are elliptical to oblate and thin. The leaves have pubescent teeth that turn red when they are older,
Bark painting Bark painting Bark painting is an Australian Aboriginal art form, involving painting on the interior of a strip of tree bark. This is a continuing form of artistic expression in Arnhem Land and other regions in the Top End of Australia including parts of the Kimberley region of Western Australia. Traditionally, bark paintings were produced for instructional and ceremonial purposes and were transient objects. Today, they are keenly sought after by collectors and public arts institutions. The designs seen on authentic bark paintings are traditional designs that are owned by the artist, or his "skin", or his clan, and cannot