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Table 1 Somatic karyotypes of studied taxa

From: Frequent ploidy changes in Salicaceae indicates widespread sharing of the salicoid whole genome duplication by the relatives of Populus L. and Salix L.

Species Collection data
[herbarium with voucher specimen]
Somatic karyotype
Casearia velutina Bl.a Menghai County, Yunnan Province, China, Sep. 2020, 1675 m, [CAF Zhang Zhongshuai 20200926-1] 2n = 44
Dianyuea turbinata (H.J. Dong & H. Peng) C. Shang, S. Liao & Z.X. Zhangb Yingjiang County, Yunnan Province, China, July 2020, 1412 m, [CAF Zhang Zhongshuai 20200701-1] 2n = 38
Bennettiodendron leprosipes (Clos) Merr.b Malipo County, Yunnan Province, China, June 2021, 1200 m, [CAF Xiao Bo 20210620-1] 2n = 42
Idesia polycarpa Maxim.b Baoxing, Sichuan Province, China, July 2020, 1364 m, [CAF Zhang Zhongshuai 20200718-12] 2n = 42
Baoxing, Sichuan Province, China, July 2020, 1364 m, [CAF Zhang Zhongshuai 20200718-13] 2n = 42
Wenxian, Gansu Province, China, July 2020, 765 m, [CAF Zhang Zhongshuai 20200725-4] 2n = 42
Carrierea calycina Franch.b Baoxing County, Sichuan Province, China, July 2020, 1364 m, [CAF Zhang Zhongshuai 20200718-14] 2n = 40
Poliothyrsis sinensis Oliv.b Shennongjia County, Hubei Province, China, May 2021, 1204 m, [CAF Zhang Zhongshuai 20210504-1] 2n = 40
Itoa orientalis Hemsl.b Jingxi City, Guangxi Province, China, August 2020, 800 m, [CAF Jiang Rihong 20200828-1] 2n = 40
Populus adenopoda Maxim. Wenxian County, Gansu Province, China, July 2020, 765 m, [CAF Zhang Zhongshuai 20200725-1] 2n = 38
Populus cathayana Rehder Meixian County, Shannxi Province, China, July 2020, 2182 m, [CAF Zhang Zhongshuai 20200725-1] 2n = 38
Populus ciliata Wall. ex Royle Luozha County, Xizang Province, China, June 2020, 2844 m, [CAF Zhang Zhongshuai 20200619-22] 2n = 38
Populus davidiana Dode Wenxian, Gansu Province, China, July 2020, 715 m, [CAF Zhang Zhongshuai 20200725-13] 2n = 38
Populus glauca Hainesa Dingjie County, Xizang Province, China, June 2020, 2867 m, [CAF Zhu Xinxin 20200615-1] 2n = 38
Populus pamirica Kom.a Aketao County, Xinjiang Province, China, May 2021, 2737 m, [CAF Zhang Zhongshuai 20210518-10] 2n = 38
Populus szechuanica Schneid.a Wenchuan County, Sichuan Province, China, July 2020, 2223 m, [CAF Zhang Zhongshuai 20200717-47] 2n = 38
Populus wilsonii Schneid.a Meixian, Shannxi Province, China, August 2020, 2491 m, [CAF Zhang Zhongshuai 20200801-1] 2n = 38
Populus yatungensis (Z. Wang & P.Y. Fu) C. Wang & S.L. Tunga Yadong County, Xizang Province, China, June 2020, 3430 m, [CAF Zhang Zhongshuai 20200616-3] 2n = 38
Populus yunnanensis Dodea Tengchong Shi, Yunnan Province, China, April 2021, 2385 m, [CAF Zhang Zhongshuai 20210417-10] 2n = 38
  1. a The chromosome numbers of these species are reported for the first time
  2. b The chromosome numbers of the genera represented by these species are reported or confirmed for the first time