Phylogenetic position and plastid genome structure of , a mycoheterotrophic genus of Orchidaceae (subtribe Orchidinae) endemic to Vietnam.

The orchid genus comprises three species, all discovered in the 21 century. Each of these species is achlorophyllous, mycoheterotrophic and is known to be endemic to Vietnam. The type species of the genus, , occurs in a single location in northern Vietnam within a lowland limestone karstic area.

A new species and a replacement name in (Apocynaceae, Asclepiadeae) from China.

S.Jin Zeng, G.D.

 (Melastomataceae), a new species from China.

A new species, , from China, is described and illustrated here based on morphological and molecular evidence. It is morphologically similar to in having erect stems, slightly oblique and membranous leaf blades, broadly ovate to suborbicular bracts, and oblong petals, but differs by the terete stems, densely puberulous petioles, and elliptic leaf blades. Our phylogenetic analyses based on plastid genome and nrITS data indicate that this new species is clustered with four species of Yunnan but placed far apart from .

, a new genus segregated from (Costaceae) based on phylogenetic and morphological evidence.

Previous studies recognized three major lineages of the family Costaceae: a South American clade, an Asian clade and a clade. However, the genus within the Asian clade has been shown to be non-monophyletic and its morphology has not been studied carefully. Therefore, the complete plastid genomes of species were obtained and the monophyly of was tested through four different datasets in this study.

, a new and endangered species of Melastomataceae from China.

A new species of the genus , formerly considered monotypic, is here described as and illustrated based on molecular and morphological evidence. It is morphologically similar to in having a short stem, huge basal leaves, scorpioid cymes, and 5-merous flowers, but differs in having ribbed and pale yellow puberulent petioles, purple petals with a small white apical patch, connectives of longer stamens with a distinct dorsal short spur at their base, and wingless capsules. Due to the restricted distribution, small populations and horticultural potential of this new species, it should be categorized as an Endangered species (EN).

Complete plastome sequence of (L. f.) R. Br. (Apocynaceae).

is a remarkable genus with high horticultural ornamental value. In this study, we report and characterize the complete plastid genome sequence of The complete chloroplast genome was 176,340 bp in length, which includes a pair of inverted repeat regions (IRs) of 41,381 bp separated by a large single copy region (LSC) 91,281 bp and a small single copy region (SSC) 2,297 bp. Interestingly, IRs expanded into SSC, with the result that most of the genes in SSC were duplicated.

Author Correction: The Apostasia genome and the evolution of orchids.

An amendment to this paper has been published and can be accessed via a link at the top of the paper.

The complete chloroplast genome sequence of monotypic (Melastomataceae), an endemic genus in China.

, a shrub narrowly endemic to Yunnan, southwest China, is a monotypic genus of Sonerileae in Melastomataceae. The species, , is dwindling and is listed as 'Near Threatened (NT)' by IUCN Red List of China. Herein, we report the complete chloroplast genome (cpDNA) sequence assembled from Illumina pair-end sequencing data.

Characterization of the complete chloroplast genome sequence of (Melastomataceae).

Lour. belongs to tribe Sonerileae (Melastomataceae), comprising about 18 species worldwide. Herein, we presented, assembled, and annotated the first complete chloroplast genome of ().

The Apostasia genome and the evolution of orchids.

Constituting approximately 10% of flowering plant species, orchids (Orchidaceae) display unique flower morphologies, possess an extraordinary diversity in lifestyle, and have successfully colonized almost every habitat on Earth. Here we report the draft genome sequence of Apostasia shenzhenica, a representative of one of two genera that form a sister lineage to the rest of the Orchidaceae, providing a reference for inferring the genome content and structure of the most recent common ancestor of all extant orchids and improving our understanding of their origins and evolution. In addition, we present transcriptome data for representatives of Vanilloideae, Cypripedioideae and Orchidoideae, and novel third-generation genome data for two species of Epidendroideae, covering all five orchid subfamilies.