''Cinchonopsis'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

s in the family

Rubiaceae The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules ...

containing the single species ''Cinchonopsis amazonica''.Andersson, Bengt Lennart. 1995. Annals of the Missouri Botanical Garden 82(3): 424 ''Cinchonopsis amazonica''
/ref> It is native to

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the souther ...

, where it occurs in the Amazon basin to the eastern slopes of the

Andes The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S ...

.''Cinchonopsis amazonica''.
Selected Rubiaceae Tribes and Genera. Tropicos. This is a tree with oppositely arranged leaves and terminal inflorescences. The white flowers have funnel-shaped corollas with five triangular lobes. The fruit is a papery cylindrical capsule. This species was separated from genus ''Cinchona'' mainly on the basis of the morphology of the flowers.''Cinchonopsis''.
Selected Rubiaceae Tribes and Genera. Tropicos.

References

Monotypic Rubiaceae genera Cinchoneae Flora of South America Trees of Peru {{Cinchonoideae-stub