Species of Cephalotaxus have great economic and ecological values. However, the
taxonomy and interspecific phylogenetic relationships within the genus have been …

Abstract Background and Aims Cephalotaxus is a paleo-endemic genus in East Asia that
consists of about 7–9 conifer species. Despite its great economic and ecological importance …

Accurate species delimitation and identification, which is a challenging task in traditional
morphology-based taxonomy, is crucial to species conservation. Ottelia acuminata …

Hydrocotyle, belonging to the Hydrocotyloideae of Araliaceae, consists of 95 perennial and
35 annual species. Due to the lack of stable diagnostic morphological characteristics and …

Abstract Background Handeliodendron Rehder and Eurycorymbus Hand.-Mazz. are the
monotypic genera in the Sapindaceae family. The phylogenetic relationship of these …

Species delimitation is fundamental to the basic understanding of biodiversity because of
the central role that the concept of species plays in most branches of biology. However, few …

Abstract The Zygophyllum and Tetraena genera are intriguingly important ecologically and
medicinally. Based on morphological characteristics, T. hamiensis var. qatarensis, and T …

Background Cistanche is an important genus of Orobanchaceae, with critical medicinal,
economic, and desertification control values. However, the phylogenetic relationships of …

Species represent the most basic unit of taxonomy. As such, species delimitation represents
a crucial issue for biodiversity conservation. Taxonomic practices were revolutionized in the …

Background Molecular research revealed that some of the European Calypogeia species
described on the basis of morphological criteria are genetically heterogeneous and, in fact …