Camellia rostrata S.X.Yang & S.F.Chai is described and illustrated as a new species from Guangxi, China. It is morphologically closest to C. debaoensis R.C.Hu & Y.Q.Liufu, but can be easily distinguished by its abaxially glabrous leaf surface, 1.0−1.5(−2.0) cm long pedicel, powdery puberulent inner surface of bracteoles, sepals, and petals, sparsely pubescent inner filaments base, and triangle globose or ellipsoid capsule with pointed beak. The conservation status of this new species was assessed as Critically Endangered (CR).
Camellia zhaiana
S.X. Yang (Theaceae) is a recently described species reported from Guangxi, China. It was proposed as a critically endangered species according to the IUCN Red List Categories and Criteria. In this study, we report and characterize the complete chloroplast (cp) genome of
C. zhaiana
using Illumina pair-end sequencing data. This is the first report of a cp genome of a species classified in
Camellia
section.
Longipedicellata
. The cp genome of
C. zhaiana
is 156,627 bp in length and includes a large single-copy region (LSC, 86,196 bp), a small single-copy region (SSC, 18,281 bp), and a pair of inverted repeat regions (IRs, 26,075 bp). The genome contains 135 genes, including 40 tRNA, eight rRNA, and 87 protein-coding genes. Phylogenetic analysis showed a strongly supported sister relationship between
C. zhaiana
and
C. longipedicellata
, which is a species classified in sect.
Longipedicellata.
These data support the previous systematic findings of
C. zhaiana
and advance the bioinformatics of the genus
Camellia
.
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