Evolution of plastid genomes of Holcoglossum (Orchidaceae) with recent radiation.

Background: The plastid is a semiautonomous organelle with its own genome. Plastid genomes have been widely used as models for studying phylogeny, speciation and adaptive evolution. However, most studies focus on comparisons of plastid genome evolution at high taxonomic levels, and comparative studies of the process of plastome evolution at the infrageneric or intraspecific level remain elusive.

, a new species of Begoniaceae from Western China and Northern Myanmar.

JianW.Li, Y.H.