Biodiversity Science ›› 2019, Vol. 27 ›› Issue (9): 1016-1020.doi: 10.17520/biods.2019159

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Resource status of Michelia guangdongensis (Magnoliaceae), a wild plant species with extremely small populations

Leilei Yang1#, Wenguang Wang1, 2#, Xiaoan Lang1, Suzhou Zhang1, Zhangxiu Yao1, 2, Ting Xu1, Yuanqiu Li3, Danfeng Yan4, Jianfen Yang1, Yaling Wang5, Shouzhou Zhang1, *   

  1. 1 Shenzhen Key Laboratory of Southern Subtropical Plant Diversity, Fairylake Botanical Garden, Shenzhen and Chinese Academy of Sciences, Shenzhen, Guangdong 518004
    2 State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou 510642
    3 Administration Bureau of Shimentai National Nature Reserve, Yingde, Guangdong 513000
    4 Palm Eco-town Development Co., Ltd., Guangzhou 510627
    5 Xi’an Botanical Garden, Xi’an 710061;
  • Received:2019-05-20 Accepted:2019-07-02 Online:2019-09-25
  • Zhang Shouzhou

To clarify the current status of Michelia guangdongensis germplasm resources and evaluate its endangerment category, a field investigation was conducted in Guangdong Shimentai National Nature Reserve and its adjacent regions. The results are as followings: (1) We found a total of four wild distribution areas for Michelia guangdongensis, with two (Guangdong Shimentai National Nature Reserve and Shangtiantang, Yingde) of first reports. (2) Chuandiding harbors the largest population with 1,100 individuals, whereas Shangtiantang, Yingde, the smallest, with only about 20 individuals. (3) According to the IUCN Global Species Threat Assessment Standard, Michelia guangdongensis was rated as Endangered (EN, B1a + B2a).

Key words: extremely small populations, Michelia guangdongensis, field investigation, endangered category, germplasm resources, IUCN

Fig. 1

The geographical distribution of Michelia guangdongensis"

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