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Table 2 The 1 C nuclear DNA amounts (the amount of DNA contained within un-replicated haploid chromosome set) 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]
Individuals examined
(pg, test replicates)
DNA amount 1 C
(pg, means ± SD)
Casearia graveolens Dalz. a Cultivated in XTBG, resource number: 0020010492 (CAF) A (0.703, 0.682, 0.704) 0.696 ± 0.012
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] A (4.400, 4.275)
B (4.408, 4.243)
C (4.369, 4.194)
4.315 ± 0.090
Homalium ceylanicum (Gardner) Benth.b Cultivated in XTBG, resource number: C17057 (CAF) A (0.416, 0.420)
B (0.419, 0.410)
0.416 ± 0.005
Cultivated in XTBG, resource number: 00GN0039 (CAF) A (0.398, 0.419, 0.396) 0.404 ± 0.013
Scolopia chinensis (Lour.) Closb Cultivated in XTBG, resource number: 0020023293 (CAF) A (0.310, 0.320, 0.315) 0.315 ± 0.005
Xylosma congesta (Lour.) Merr.b Cultivated in KIB (CAF) A (0.422, 0.413) 0.418 ± 0.006
Xylosma longifolia Closb Cultivated in XTBG, resource number: 0020090847 (CAF) A (0.508, 0.537, 0.511)
B (0.547, 0.54, 0.542)
0.531 ± 0.017
Cultivated in XTBG, resource number: 0020030017 (CAF) A (0.527, 0.538, 0.524) 0.530 ± 0.007
Cultivated in XTBG, resource number: 0020000109 (CAF) A (0.537, 0.545, 0.535) 0.539 ± 0.005
Dovyalis caffra (Hook. f. & Harv.) Warb.b Cultivated in XTBG, resource number: 1,520,080,001 (CAF) A (0.585, 0.574)
B (0.569, 0.595, 0.571)
C (0.573, 0.592)
D (0.579, 0.602, 0.586)
0.583 ± 0.011
Flacourtia indica (Burm. f.) Merr.b Cultivated in XTBG, resource number: 0020081213 (CAF) A (0.57, 0.583, 0.548)
B (0.573, 0.581, 0.555)
0.568 ± 0.014
Flacourtia inermis Roxb.b Cultivated in XTBG, resource number: 3,720,040,116 (CAF) A (0.456, 0.49, 0.454)
B (0.470, 0.492, 0.458)
0.470 ± 0.017
Flacourtia rukam Zoll. & Moritzib Cultivated in XTBG, resource number: 0020023270 (CAF) A (0.440, 0.442, 0.436)
B (0.438, 0.453, 0.437)
C (0.460, 0.448, 0.434)
D (0.436, 0.458, 0.433)
0.433 ± 0.009
Cultivated in XTBG, resource number: 0020000597 (CAF) A (0.454, 0.449, 0.438)
B (0.440, 0.463, 0.438)
C (0.437, 0.445, 0.432)
D (0.455, 0.434, 0.436)
0.443 ± 0.01
Oncoba echinata Oliver.b Cultivated in XTBG, resource number: 0320130007 (CAF) A (0.514, 0.512, 0.508)
B (0.512, 0.521, 0.499)
C (0.505, 0.500, 0.500)
0.508 ± 0.008
Bennettiodendron leprosipes (Clos) Merr.b Cultivated in XTBG, resource number: 0020020036 (CAF) A (3.298, 3.243, 3.277)
B (3.321, 3.296, 3.339)
3.296 ± 0.034
Idesia polycarpa Maxim.b Baoxing, Sichuan Province, China, July 2020, 1364 m, [CAF Zhang Zhongshuai 20200718-13] A (1.221, 1.249)
B (1.142, 1.232)
1.211 ± 0.047
Wenxian, Gansu Province, China, July 2020, 765 m, [CAF Zhang Zhongshuai 20200725-4] A (1.066, 1.210) 1.138 ± 0.102
Carrierea calycina Franch.b Baoxing County, Sichuan Province, China, July 2020, 1364 m, [CAF Zhang Zhongshuai 20200718-14] A (0.662, 0.650)
B (0.658, 0.640)
0.653 ± 0.01
Poliothyrsis sinensis Oliv. b Cultivated in KIB (CAF) A (0.575, 0.559, 0.536)
B (0.559, 0.535)
C (0.558, 0.542)
D (0.558, 0.54)
E (0.559, 0.548)
0.552 ± 0.012
Itoa orientalis Hemsl.b Cultivated in XTBG, resource number: 0020140861 (CAF) A (0.678, 0.689, 0.672)
B (0.668, 0.673, 0.669)
0.675 ± 0.008
Jingxi City, Guangxi Province, China, August 2020, 800 m, [CAF Jiang Rihong 20200828-1] A (0.678, 0.677)
B (0.692, 0.702)
C (0.678, 0.686, 0.680)
0.685 ± 0.009
Populus adenopoda Maxim.a Wenxian County, Gansu Province, China, July 2020, 765 m, [CAF Zhang Zhongshuai 20200725-1] A (0.471, 0.474)
B (0.461, 0.467)
C (0.467, 0.476)
0.469 ± 0.005
Populus cathayana Rehdera Diebu County, Gansu Province, China, July 2020, 2209 m, [CAF Zhang Zhongshuai 20200727-7] A (0.493, 0.487) 0.49 ± 0.004
Wenchuan County, Sichuan Province, China, July 2020, 1926 m, [CAF Zhang Zhongshuai 20200717-43] A (0.491) 0.491
Kangding, Sichuan Province, China, July 2020, 3116 m, [CAF Zhang Zhongshuai 20200721-13] A (0.500, 0.505) 0.503 ± 0.004
Meixian County, Shannxi Province, China, July 2020, 2182 m, [CAF Zhang Zhongshuai 20200725-1] A (0.494, 0.500) 0.497 ± 0.004
Luding County, Sichuan Province, China, July 2020, 1512 m, [CAF Zhang Zhongshuai 20200720-1] A (0.509, 0.505, 0.507) 0.507 ± 0.002
Populus ciliata Wall. ex Roylea Jilong County, Xizang Province, China, June 2020, 1841 m, [CAF Zhang Zhongshuai 20200610-10] A (0.533, 0.534)
B (0.526, 0.534)
0.532 ± 0.004
Luozha County, Xizang Province, China, June 2020, 2844 m, [CAF Zhang Zhongshuai 20200619-22] A (0.513, 0.516, 0.520) 0.516 ± 0.004
Populus davidiana Dodea Wenxian, Gansu Province, China, July 2020, 715 m, [CAF Zhang Zhongshuai 20200725-13] A (0.461, 0.470)
B (0.470, 0.475)
C (0.455, 0.473)
0.467 ± 0.008
Populus euphratica Olivier Zhongwei, Ningxia Province, China, July 2020, 1400 m, [CAF Zhang Zhongshuai] A (0.580, 0.568)
B (0.580, 0.584)
C (0.571, 0.581)
0.577 ± 0.006
Populus glauca Hainesa Dingjie County, Xizang Province, China, June 2020, 2867 m, [CAF Zhu Xinxin 20200615-1] A (0.504, 0.509)
B (0.504, 0.514)
C (0.511, 0.509)
0.509 ± 0.004
Populus haoana var. megaphylla C.Wang et Tunga Xianggelila County, Yunnan Province, China, July 2020, 2828 m, [CAF Zhang Zhongshuai 20200707-2] A (0.526, 0.508, 0.515)
B (0.530, 0.521, 0.524)
0.521 ± 0.008
Populus kangdingensis C. Wang et Tunga Kangding, Sichuan Province, China, July 2020, 3501 m, [CAF Zhang Zhongshuai 20200721-2] A (0.523, 0.518, 0.514)
B (0.493, 0.488, 0.496)
0.505 ± 0.015
Populus koreana Rehd.a Daqingshan, Heilongjiang Province, China, Sep. 2020, 302 m, [CAF Zhang Zhongshuai 20200913-13] A (0.482, 0.484)
B (0.487, 0.492)
0.486 ± 0.004
Populus lasiocarpa Oliv.a Wenchuan county, Sichuan Province, China, July 2020, 1750 m, [CAF Zhang Zhongshuai 20200717-39] A (0.515, 0.518)
B (0.515, 0.521)
0.517 ± 0.003
Populus qiongdaoensis T. Hong & P. Luoa Bawangling, Changjing county, Hainan Province, China, Mar. 2020, 1300 m, [CAF Shenjun 20200310-1] A (0.470, 0.469)
B (0.479, 0.472)
0.473 ± 0.005
Populus rotundifolia Griff.a Ninglang County, Yunnan Province, China, July 2020, 3082 m, [CAF Zhang Zhongshuai 20200705-11] A (0.486, 0.485) 0.486 ± 0.001
Populus simonii Carr.a Luding County, Sichuan Province, China, July 2020, 1815 m, [CAF Zhang Zhongshuai 20200720-16] A (0.488)
B (0.486, 0.498)
0.491 ± 0.006
Populus suaveolens Fisch.a Baishan, Jilin Province, China, Sep. 2020, 868 m, [CAF Zhang Zhongshuai 20200909-20] A (0.475, 0.481) 0.478 ± 0.004
Jingyu, Jilin Province, China, Sep. 2020, 586 m, [CAF Zhang Zhongshuai 20200909-4] A (0.703, 0.706) 0.705 ± 0.002
Populus szechuanica Schneid.a Baoxing County, Sichuan Province, China, July 2020, 2568 m, [CAF Zhang Zhongshuai 20200718-35] A (0.493, 0.497)
B (0.507, 0.504)
0.5 ± 0.006
Meixian County, Shannxi Province, China, July 2020, 2182 m, [CAF Zhang Zhongshuai 20200731-11] A (0.487, 0.493) 0.49 ± 0.004
Wenchuan County, Sichuan Province, China, July 2020, 2223 m, [CAF Zhang Zhongshuai 20200717-47] A (0.494, 0.496, 0.501) 0.497 ± 0.004
Populus wilsonii Schneid.a Meixian, Shannxi Province, China, August 2020, 2491 m, [CAF Zhang Zhongshuai 20200801-1] A (0.503, 0.507)
B (0.501, 0.525)
C (0.499, 0.510)
0.508 ± 0.009
Populus yatungensis (C. Wang et P. Y. Fu) C. Wang et Tunga Yadong County, Xizang Province, China, June 2020, 2844 m, [CAF Zhang Zhongshuai 20200616-1] A (0.524, 0.531)
B (0.525, 0.524)
C (0.517, 0.521)
0.524 ± 0.005
Populus yuana C. Wang et Tunga Xianggelila County, Yunnan Province, China, July 2020, 2639 m, [CAF Zhang Zhongshuai 20200706-11] A (0.512, 0.509, 0.519) 0.513 ± 0.005
Populus yunnanensis var. pedicellata C.Wang et Tunga Denqin County, Yunnan Province, China, July 2020, 2097 m, [CAF Zhang Zhongshuai 20200709-18] A (0.514, 0.520)
B (0.504, 0.508)
C (0.526, 0.526)
D (0.513, 0.511, 0.516)
E (0.512, 0.512, 0.508)
F (0.52, 0.506, 0.517)
0.514 ± 0.007
  1. a1 C nuclear DNA amounts of these taxa are reported for the first time
  2. b1 C nuclear DNA amounts of these taxa are first reported for the genus they represented