10; see text Deinostigma W.T.Wang & Z.Y.Li (1992) Metapetrocosmea is a genus of flowering plants belonging to the family Gesneriaceae.

It includes ten species native to southern China, Hainan, and Vietnam.

[1] A 2022 phylogenetic and morphological study by Peng-Wei Li et al. concluded that genus Deinostigma should be included in Metapetrocosmea.

[2] In 2016 Deinostigma had been expanded with the transfer of several species that had previously been place in the genus Primulina.

[3] Ten species are accepted.