Dichaetandra Naudin Ernestia is a genus of plant in family Melastomataceae.

[1] Its native range is tropical South America and it is found in the countries of Brazil (north), Colombia, French Guiana, Guyana, Peru, Suriname and Venezuela.

[1] The genus name of Ernestia is in honour of Ernst Heinrich Friedrich Meyer (1791–1858), a German botanist and botanical historian,[2] it was first described and published by Augustin-Pyramus de Candolle in Prodr.

Vol.3 on page 121 in 1828.

[1] According to Kew;[1]