Amaryllidaceae is a large family with more than 1,600 species, belonging to 75 genera. The
largest genus—Allium—is vast, comprising about a thousand species. Allium species (as …

Expansion and contraction (ebb and flow events) of inverted repeat (IR) boundaries occur
and are generally considered to be major factors affecting chloroplast (cp) genome size …

Background Some ferns have medicinal properties and are used in therapeutic
interventions. However, the classification and phylogenetic relationships of ferns remain …

The eusporangiate marattialean ferns represent an ancient radiation with a rich fossil record
but limited modern diversity in the tropics. The long evolutionary history without close extant …

Background Comparative chloroplast genomics could shed light on the major evolutionary
events that established plastomic diversity among closely related species. The …

Plastid genomes display remarkable organizational stability over evolutionary time. From
green algae to angiosperms, most plastid genomes are largely collinear, with only a few …

Premise of the Study Filmy ferns (Hymenophyllales) are a highly specialized lineage, having
mesophyll one‐cell layer thick and inhabiting particularly shaded and humid environments …

The trans-splicing rps 12 gene of fern plastomes (plastid genomes) exhibits a unique
structure owing to its variations in intragenic exon location and intron content, and thus, it …

Peucedanum franchetii is a famous folk medicinal plant in China. However, the taxonomy of
the P. franchetii has not been sufficiently resolved. Due to similar morphological features …

Based on the nrDNA ITS sequence data, the Tordylieae tribe is recognized as monophyletic
with three major lineages: the subtribe Tordyliinae, the Cymbocarpum clade, and the …