Volume 52, Issue 8 e15163
RESEARCH ARTICLE

New Insights Into the Phylogeny and Biogeography of Goji Berries (Lycium, Solanaceae) Inferred From Plastid Data

Gulbar Yisilam

Gulbar Yisilam

Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Ministry of Education) & Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in Lijiang River Basin, Guangxi Normal University, Guilin, China

Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang, China

Laboratory of Systematic & Evolutionary Botany and Biodiversity, College of Life Sciences, Zhejiang University, Hangzhou, China

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Kenneth M. Cameron

Kenneth M. Cameron

Department of Botany, University of Wisconsin, Madison, Wisconsin, USA

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Zhi-Yong Zhang

Zhi-Yong Zhang

Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Ministry of Education) & Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in Lijiang River Basin, Guangxi Normal University, Guilin, China

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En-Ting Zheng

En-Ting Zheng

Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Ministry of Education) & Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in Lijiang River Basin, Guangxi Normal University, Guilin, China

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Chuan-Ning Li

Chuan-Ning Li

Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Ministry of Education) & Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in Lijiang River Basin, Guangxi Normal University, Guilin, China

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Zhen-Zhou Chu

Zhen-Zhou Chu

Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang, China

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Ying Su

Ying Su

Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang, China

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Jia-Lei Li

Jia-Lei Li

Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang, China

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Yu-Wei Wang

Yu-Wei Wang

Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang, China

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Jin Li

Jin Li

Xinjiang Key Laboratory of Special Species Conservation and Regulatory Biology, Key Laboratory of Plant Stress Biology in Arid Land, College of Life Science, Xinjiang Normal University, Urumqi, Xinjiang, China

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Pan Li

Corresponding Author

Pan Li

Laboratory of Systematic & Evolutionary Botany and Biodiversity, College of Life Sciences, Zhejiang University, Hangzhou, China

Correspondence:

Xin-Min Tian ([email protected])

Pan Li ([email protected])

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Xin-Min Tian

Corresponding Author

Xin-Min Tian

Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Ministry of Education) & Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in Lijiang River Basin, Guangxi Normal University, Guilin, China

Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang, China

Correspondence:

Xin-Min Tian ([email protected])

Pan Li ([email protected])

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First published: 28 May 2025

Funding: This work was supported by The National Natural Science Foundation of China (32360058). The Key Technology Research and Development Program of Zhejiang Province (2023C03138), China. The Central Government Guides Local Science and Technology Development Projects, China (2023ZYZX1224).

ABSTRACT

Aim

Lycium L. (Solanaceae), which is known for producing goji berries, is an important plant with both medicinal and edible uses. This genus is globally distributed in temperate and subtropical regions. However, a comprehensive phylogeny and evolutionary history of this plant group is lacking so far. This study was executed to produce novel insights into the phylogenetic relationships and evolutionary history of this small but economically important genus.

Location

North America, South America, Hawaii, Africa and Eurasia.

Taxon

Lycium L. (Solanaceae).

Methods

We established a phylogenetic framework for Lycium based on complete plastome sequences and data from 80 protein-coding genes across 43 Lycium species using maximum likelihood and Bayesian inference methods. Furthermore, 14 species from the Solanaceae family were used as outgroups. Additionally, two Solanoideae fossils and one secondary calibration point were used to estimate divergence times and reveal the biographical history of these plants through ancestral area reconstruction.

Results

Our analysis revealed that six North American Lycium species were strongly supported as monophyletic with high support and were sister clades to the remainder of the genus. The remaining species from North America, South America and the Hawaiian Islands shared a common ancestor, whereas all species from Africa, Saharo-Arabia and Eurasia formed a distinct clade. Our results indicated that Lycium originated in North America during the Late Oligocene and then dispersed to Hawaii and South America, from there to Africa, and then further to Saharo-Arabia, with a more recent dispersal to Eurasia.

Main Conclusions

Our plastid genome data confirmed that Lycium originated in North America and identified long-distance dispersal as the key to its global distribution. Genomic insights facilitate species identification and contribute to conservation efforts.

Conflicts of Interest

The authors declare no conflicts of interest.

Data Availability Statement

Data used in this study were included in the manuscript or Supporting Information. All newly assembled plastome sequences in this study have been deposited in the NCBI GenBank database under the accession numbers PP952454–PP952511.

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