Petrocosmea

About

Petrocosmea is a genus of the family Gesneriaceae, the African violet family. Many of the species within this genus are endemic to high-elevation areas in Western China, although some are native to other parts of Asia. including north-central and southern China, Indochina, and the eastern Himalayas. It is a rosette-forming genus that generally grows on wet mossy rocks or forests.

Summary from Wikipedia