Integrated Transcriptomic and Metabolomic Analysis Reveals Possible Molecular Mechanisms of Leaf Growth and Development in var. .

var. is an ancient relic plant unique to China. However, the typical shade-loving plant is largely exposed to the sun, which poses a major challenge to its conservation.

Transcriptomic and metabolic analysis unveils the mechanism behind leaf color development in var. .

Leaf coloration in var. results from the interplay of various pigments undergoing complex catalytic reactions. We aimed to elucidate the mechanisms of pigment biosynthesis affecting leaf color transition in var.

Influence of geographic origin and tissue type on the medicinal chemical compounds of .

is widely used in traditional Chinese medicine owing its high concentrations of polyphenol, triterpenoidic acid, and flavonoids. This study aimed to explore the impact of geographical origin and tissue type on the contents of chemical compounds of , as determined by colorimetric and chromatographic methods. Therefore, we quantitively evaluated chemical compounds found in the tissues of various organs of plants collected in six different regions.

(Primulaceae), a new species from limestone area in Hunan Province, central China.

A new species of , (Primulaceae), is described and illustrated from western Hunan, central China. The species is similar to in plant densely strigillose, leaves subglabrous adaxially, and flowers usually solitary in axils of upper leaves, but differs by the succulent leaves, the creeping or ascending stems 15-25 cm long, and the suborbicular to broadly elliptic corolla lobes. This new species is also supported by a molecular phylogenetic analysis of some species based on ITS sequence data.