Biodiversity and Conservation

, Volume 28, Issue 1, pp 213–227 | Cite as

Conserving threatened widespread species: a case study using a traditional medicinal plant in Asia

  • Gao ChenEmail author
  • Weibang Sun
  • Xiaoxun Wang
  • Sumet Kongkiatpaiboon
  • Xianghai CaiEmail author
Original Paper


Overharvesting and loss of habitat arising from human activities are the most important threats to plants and animals. Conservation efforts targeting medicinal plant species usually focus on endemic, economic and endangered taxa, typically Plant Species with Extremely Small Populations (PSESP) under high extinction risk. However, comparatively little attention has been focused on traditional medicinal plants with widespread distribution, although some of these species, where the whole plant or the tubers are raw materials for medicines, may be on the edge of local extinction. In this study, we appeal to conservationists to pay close attention to threatened widespread species. To this end, a traditional medicinal plant, Stemona tuberosa, which has a distribution that covers more than ten countries in Asia, is studied in detail. The results suggest that destructive overharvesting of the underground tuberous roots of S. tuberosa is the key threat to this species. In addition, pollination limitation, loss of potential seed dispersers, habitat loss, and a scattered distribution pattern may further reduce the survival chances of S. tuberosa. Through multidisciplinary conservation efforts conducted by researchers and local resident, we witnessed the preliminary recovery of S. tuberosa in locations where it has been reintroduced. We think that threatened widespread species should not be overlooked in the field of conservation. Local participation in natural resource management may help to make resources more relevant locally and hence sustainable in remote regions. We suggest that developing multi-stakeholder coalitions should be encouraged to save threatened medicinal plant species in underdeveloped areas.


Alkaloids Endangered species In situ conservation Phytochemistry Seed dispersal Stemona tuberosa 



We are grateful to Jia Ge and Deli Zai for their valuable comments on an earlier version of the manuscript. We thank Dr. Koushik Majumdar and Animesh Biswas for S. tuberosa collection data from India and Bangladesh, and we thank local resident for their help in conservation initiatives. Support for this study was provided through grants from the NSFC-Yunnan joint fund to support key projects (U1602264), the National Natural Science Foundation of China (31670322; 81360640), the Science and Technology Research Program of Kunming Institute of Botany, the Chinese Academy of Sciences (KIB2017006), and the Young Academic and Technical Leader Raising Foundation of Yunnan Province (2015HB091).

Author contributions

GC and XHC planned and designed the research and performed experiments; XXW and SK collected field data; GC wrote the manuscript; XHC conducted chemical composition study; WBS provided funding and suggestions.

Compliance with ethical standards

Conflict of interest

The authors declare no competing interests.

Supplementary material

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Supplementary material 1 (DOC 125 kb)
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Supplementary material 2 (DOC 262 kb)
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Supplementary material 3 (JPEG 1936 kb)

Supplementary material 4 (AVI 1586 kb)


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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Yunnan Key Laboratory for Integrative Conservation of Plant Species with Extremely Small PopulationsKunmingChina
  2. 2.Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of BotanyChinese Academy of SciencesKunmingChina
  3. 3.Guangxi University of Chinese MedicineNanningChina
  4. 4.Drug Discovery and Development CenterThammasat UniversityPathum ThaniThailand
  5. 5.State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of BotanyChinese Academy of SciencesKunmingChina

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