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Updated: Oct 25, 2025

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin
Published on: August 14, 2018
Phylogeny, origin, and dispersal of Dubyaea (Asteraceae) based on Hyb-Seq data
Lian-Sheng Xu1, You-Sheng Chen1
1Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, China.
Abstract:
Dubyaea DC. is a small genus of Asteraceae that is almost exclusively endemic to the Pan-Himalayan region. Within Dubyaea, phylogenetic relationships remain poorly understood. Here, our well-supported phylogeny based on Hyb-Seq data shows that all samples of Dubyaea in this study belong to a monophyletic group, which is sister to the clade of Soroseris, Syncalathium, and Nabalus. Dubyaea (s. str.) can be divided into three major clades, which are supported by flower color as well as morphological features of the stems and basal leaves. Based on our phylogenetic results, we performed biogeographic analyses and inferred that Dubyaea arose in the late Miocene in Hengduan Mountains and its eastern areas. Following its evolutionary origin, Dubyaea underwent diversification in situ as well as spread to the Himalayas.
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