The Gnetales are one of the most fascinating groups within seed plants. Although the advent
of molecular phylogenetics has generated some confidence in their phylogenetic placement …

喉毛花属植物是藏茵陈入药基原植物之一, 其属下物种关系一直存在争议.
为建立稳定的喉毛花属下系统发育关系, 本研究为重建喉毛花属下系统发育关系 …

After the merger of the former Taxodiaceae and Cupressaceae ss, currently the conifer
family Cupressaceae (sensu lato) comprises seven subfamilies and 32 genera, most of …

本文比较了2021 版和1999 版《 国家重点保护野生植物名录》(简称《 名录》)
中裸子植物的物种收录情况变化, 并分析了2021 版《 名录》 保护物种的地理分布格局. 结果发现 …

Hybridisation can lead to the formation of new evolutionary lineages and some described
insect species may in fact be first‐generation hybrids of their parental species. Anoplistes …

Abstract Background and Aims Previous molecular dating studies revealed historical mass
extinctions and recent radiations of extant cycads, but debates still exist between …

Archangelskyoxylon carlquistii gen. et sp. nov. is based on anatomical secondary xylem
from the Lower Jurassic (Sinemurian–Toarcian) in the Roca Blanca Formation of Santa Cruz …

Aims: We studied the distribution pattern of protected gymnosperms and conducted a
comparison of taxonomic changes between the last version (1999) and the recently …

Reconstructing a robust species phylogeny and disentangling the evolutionary and
biogeographic history of the gymnosperm genus Ephedra, which has a large genome and …

Ephedra species were erect, branching shrubs found in desert or arid regions worldwide as
the source of ephedrine alkaloids. In this study, the complete chloroplast genome of …