Revised phylogeny of the Inula complex group (Asteraceae: Inuleae) with a recircumscription
of Carpesium and establishment of a
new genus Cladocarpesium

• Research Article • Next Articles

Revised phylogeny of the Inula complex group (Asteraceae: Inuleae) with a recircumscription of Carpesium and establishment of a new genus Cladocarpesium

Qun Liu^1†, Nan Lin^1,2†, Dai-Gui Zhang³, Xian-Han Huang¹, Yan-Bo Li¹, Ying-Ying Zheng^1,4, Umida Tojiboeva^1,5, Jian-Wen Zhang^1*, Tao Deng^1*

¹State Key Laboratory of Plant Diversity and Specialty Crops, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China

²College of Life Science, Henan Agricultural University, Zhengzhou 450002, China

³College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China

⁴University of Chinese Academy of Sciences, Beijing 100049, China

⁵Central Herbarium of Uzbekistan, Institute of Botany, Academy Sciences of Uzbekistan, Tashkent 100025, Uzbekistan

^† These authors contributed equally to this work.

*Authors for correspondence. Tao Deng. E-mail: dengtao@mail.kib.ac.cn; Jian-Wen Zhang. E-mail: zhangjianwen@mail.kib.ac.cn

Received:2025-02-16 Accepted:2025-06-11
Supported by:
This research was supported by the National Natural Science Foundation of China (32322006, 32170215), the Second Tibetan Plateau Scientific Expedition and Research (STEP) program (2024QZKK0200), the National Key R&D Program of China (2024YFF1306700), the Key R&D Program of Yunnan Province (202403AC100028), the Science and Technology Project of Xizang Autonomous Region, China (XZ202501ZY0151), the International Partnership Program of Chinese Academy of Sciences (162GJHZ2024034MI), and the Open Research Program of State Key Laboratory for Conservation and Utilization of Bio-resource in Yunnan (gzkf2022003).

Abstract

Abstract:

Carpesium (Asteraceae) represents the largest Asian genus within the subtribe Inulinae of the tribe Inuleae, exhibiting maximum species diversity in China. This study presents the first comprehensive phylogenetic analysis of Carpesium, utilizing nuclear ribosomal ITS, specific chloroplast DNA sequences (rps16-trnQ, rpl32-trnL and ndhF-rpl32), whole chloroplast genomes and chloroplast coding sequence (CDS). The results demonstrate that Carpesium, excluding C. abrotanoides, constitutes a monophyletic group. The Carpesium s.str. clade contains two well-supported lineages with distinct morphological characteristics. Based on morphological analyses, molecular phylogenetic evidence, and karyotypic studies, this research establishes Cladocarpesium gen. nov. to accommodate Carpesium abrotanoides. The comprehensive sampling approach has facilitated a thorough phylogenetic reconstruction of the Inula complex, establishing a robust systematic framework that clarifies previously uncertain relationships among constituent species. This multilocus methodology provides essential insights for reassessing infrageneric classifications within this taxonomically complex group.

Key words: Asteraceae, Carpesium, Cladocarpesium, Inuleae, molecular phylogeny

Qun Liu, Nan Lin, Dai-Gui Zhang, Xian-Han Huang, Yan-Bo Li, Ying-Ying Zheng, Umida Tojiboeva, Jian-Wen Zhang, Tao Deng. Revised phylogeny of the Inula complex group (Asteraceae: Inuleae) with a recircumscription of Carpesium and establishment of a new genus Cladocarpesium[J]. J Syst Evol.

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Revised phylogeny of the Inula complex group (Asteraceae: Inuleae) with a recircumscription of Carpesium and establishment of a new genus Cladocarpesium

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