A dataset on wild Rhododendron and geographical distribution information in China

doi:10.17520/biods.2021152

Abstract

Abstract:

The genus Rhododendron is widely distributed, lives in diverse habitats, and its group structure is complex. An in-depth analysis of its geographical distribution pattern and characteristics can provide a basis for conservation and utilization of germplasm. Based on current literature and data, this paper updates the list of species of wild Rhododendron distributed in China, explores species composition, and establishes a geographical distribution database of wild Rhododendron in China. As of July 2021, 720 species (including 114 varieties, 45 subspecies and 2 forms) of 7 subgenera have been recorded, of which 450 are endemic to China. The genus Rhododendron is distributed in all provinces of China except the arid desert areas of Ningxia and Xinjiang. Over half of all Rhododendron (393) species are distributed in the Yunnan Province, which is the highest species richness and endemism at the provincial level. There are 278 species in Sichuan province and 271 species in Tibet Autonomous Region. At the county level, Gongshan and Zayul counties are tied for having the most species of Rhododendron at 134 species, followed by 128 species in Deqin County. This study revised and updated the list of wild Rhododendron plants and their geographical distribution in China in order to provide reference for germplasm investigation and application research.

Database/Dataset Profile

Title	A dataset on wild Rhododendron and geographical distribution information in China
Authors	Jiejie Cheng, Meijun Li, Taohua Yuan, Hong Huang, Guili Yang, Xinxiang Bai
Corresponding author	Xinxiang Bai (254715174@qq.com)
Time range	Until July 2021
Geographical scope	China
Accuracy of distribution range	County districts
File size	1.65 MB
Data format	*.doc
Data link	http://dataopen.info/home/datafile/index/id/218 http://doi.org/10.24899/do.202109001 https://www.biodiversity-science.net/fileup/1005-0094/DATA/2021152.zip
Database/Dataset composition	The dataset consists of two data files: (1) Dataset on wild Rhododendron species in China (subgenera, species composition) and geographical distribution of wild Rhododendron species in China (location of species distribution, e.g. provincial and county-level administrative regions; altitude of species distribution). (2) List of wild Rhododendron species in China and geographical distribution information database main reference books catalogue (title, author, year of publication, publisher of bibliography of published monographs and collections of protected areas).

Key words: Rhododendron, species diversity, endemic species, geographic distribution

Jiejie Cheng, Meijun Li, Taohua Yuan, Hong Huang, Guili Yang, Xinxiang Bai. A dataset on wild Rhododendron and geographical distribution information in China[J]. Biodiv Sci, 2021, 29(9): 1175-1180.

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URL: https://www.biodiversity-science.net/EN/10.17520/biods.2021152

https://www.biodiversity-science.net/EN/Y2021/V29/I9/1175

Figures/Tables 2

References 13

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亚属 Subgenus	种数 Species	占中国总种数的比例Ratio of species in China (%)	中国特有种 No. of Chinese endemic species (CES)	占中国特有种总数的比例 Ratio of CES in China (%)	变种 Variety	亚种 Subspecies
常绿杜鹃花亚属 Subgen. Hymenanthe	372	51.7	251	55.8	67	31
杜鹃花亚属 Subgen. Rhododendron	251	34.9	130	28.9	31	13
映山红亚属 Subgen. Tsutsusi	61	8.5	44	9.8	9	3
马银花亚属 Subgen. Azaleastrum	9	1.3	6	1.3	1	0
长蕊杜鹃花亚属 Subgen. Choniastrum	24	3.3	16	3.6	6	0
羊踯躅亚属 Subgen. Pentanthera	2	0.3	1	0.2	0	0
叶状苞亚属 Subgen. Therorhodion	1	0.1	0	0.0	0	0

亚属 Subgenus	种数 Species	占中国总种数的比例Ratio of species in China (%)	中国特有种 No. of Chinese endemic species (CES)	占中国特有种总数的比例 Ratio of CES in China (%)	变种 Variety	亚种 Subspecies
常绿杜鹃花亚属 Subgen. Hymenanthe	372	51.7	251	55.8	67	31
杜鹃花亚属 Subgen. Rhododendron	251	34.9	130	28.9	31	13
映山红亚属 Subgen. Tsutsusi	61	8.5	44	9.8	9	3
马银花亚属 Subgen. Azaleastrum	9	1.3	6	1.3	1	0
长蕊杜鹃花亚属 Subgen. Choniastrum	24	3.3	16	3.6	6	0
羊踯躅亚属 Subgen. Pentanthera	2	0.3	1	0.2	0	0
叶状苞亚属 Subgen. Therorhodion	1	0.1	0	0.0	0	0

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