【摘要】 2017—2019年对云南省古树名木资源进行普查。结果显示，全省古核桃资源共计4 765株，隶属3属4种。其中：单株古核桃2 881株；古树群共21个，面积151.05 hm~2,株数1 884株。一级古树71株，占总株数的1.49%;二级古树243株，占5.10%;三级古树4 451株，占93.43%。全省除西双版纳州外，其余15个州(市)、88个县(市、区)均有核桃古树分布，其中，被世界自然保护联盟列为“极危(CR)”物种的国家二级保护植物喙核桃古树25株，均分布在文山州。更多还原

【Abstract】 The census of ancient and famous tree resources in Yunnan Province was conducted from 2017 to 2019. The results showed that there were a total of 4 765 ancient walnut resources in Yunnan, belonging to 3 genera and 4 species. There were 2 881 ancient walnut plants, 21 ancient tree groups with an area of 151.05 hm~2 and 1 884 plants. There were 71 first-class ancient trees, accounting for 1.49% of the total trees, 243 second-class ancient trees, accounting for 5.10%, and 4 451 third-class ancient trees, accounting for 93.43%. Except for Xishuangbanna Prefecture, walnut ancient trees were distributed in 15 other prefectures(cities) and 88 counties(cities, districts) in Yunnan. The national second-class protected plants, 25 Annamocarya sinensis ancient trees, which were listed as “critically endangered(CR)” species by IUCN, were all distributed in Wenshan Prefecture.更多还原