What is "columellia"

Columellia is a group of plant species in the Columelliaceae described as a genus in 1794.

Columellia is native to the Andes of western South America ( Colombia, Ecuador, Peru, Bolivia).

1. Columellia lucida Danguy & Cherm. - Colombia, Ecuador, N Peru
2. Columellia oblonga Ruiz & Pav. - Colombia, Ecuador, Peru, W Bolivia
3. Columellia obovata Ruiz & Pav. - S Ecuador, Peru
4. Columellia subsessilis Schltr. - Bolivia
5. Columellia weberbaueri Schltr. - Peru