plastome data of 2 species
. Approximately 0.8 g of DNA was sheared and used to prepare paired-end libraries with 200400 bp insert size. Samples were sequenced using the BGISEQ-500 platform at BGI Shenzhen (China), yielding about 8 Gb high quality per sample with 100 bp paired-end reads. We trimmed raw reads with SOAPfilter_v2.2 (BGI-Shenzhen, China) using the following criteria: first, reads with > 10% Ns; second, reads with > 40% low quality bases (quality score < 10); third, reads contaminated by adaptor sequence and pro_x0002_duced by PCR duplication.