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9 期 韦靖等: 楼梯草族(荨麻科)植物的染色体多样性与生殖途径初探 1 5 5 7
表 2 楼梯草族染色体数目信息汇总表
Table 2 Summary table of chromosome number information of Elatostemateae
序号 物种名 染色体数目 倍性 染色体基数 数据来源
No. Species name Chromosome number Polyploidy Chromosome basic number Data source
1 深绿楼梯草 2n = 28∗ 2 x = 14 本文
Elatostema atroviride This article
2 锐齿楼梯草 2n = 39∗ 3 x = 13 本文
E. cyrtandrifolium This article
3 盘托楼梯草 2n = 26∗ 2 x = 13 本文
E. dissectum This article
4 楼梯草 2n = 39∗ 3 x = 13 本文
E. involucratum This article
5 长圆楼梯草 2n = 36∗ 3 x = 12 本文
E. oblongifolium This article
6 对叶楼梯草 2n = 26∗ 2 x = 13 本文
E. sinense This article
7 吐烟花 2n = 39∗ 3 x = 13 本文
Polychroa repens This article
8 心托冷水花 2n = 24∗ 2 x = 12 本文
Pilea cordistipulata This article
9 石筋草 2n = 24∗ 2 x = 12 本文
P. plataniflora This article
10 渐尖楼梯草 2n = 20ꎬ 32ꎬ 50ꎬ 112 2ꎻ 7 x = 8ꎬ 10ꎬ 12ꎬ 16ꎬ 25 Hellmayr et al.ꎬ 1994ꎻ
Elatostema acuminatum Subramanian &
Thilagavathyꎬ 1988ꎻ
Kumar & Subramaniamꎬ 1987ꎻ
Fedorovꎬ 1974
11 星序楼梯草 2n = 39 3 x = 13 Fu et al.ꎬ 2017
E. asterocephalum
12 拟渐狭楼梯草 2n = 26 2 x = 13 Fu et al.ꎬ 2017
E. attenuatoides
13 短齿楼梯草 2n = 26 2 x = 13 Fu et al.ꎬ 2017
E. brachyodontum
14 短叶赤车 2n = 26ꎬ 39ꎬ 52ꎬ 65 2ꎻ 3ꎻ 4ꎻ 5 x = 13 Kanemoto & Naruhashiꎬ 2003
E. brevifolium
15 锐齿楼梯草 2n = 39 3 x = 13 Fu et al.ꎬ 2017
E. cyrtandrifolium
16 革叶楼梯草 2n = 39 3 x = 13 Fu et al.ꎬ 2017
E. coriaceifolium
17 稀齿楼梯草 2n = 26 2 x = 13 Kumar & Subramaniamꎬ 1987
E. cuneatum
18 凤山楼梯草 2n = 39 3 x = 13 Fu et al.ꎬ 2017
E. fengshanense
19 曲毛赤车 2n = 52 4 x = 13 Fu et al.ꎬ 2025
E. hirticaule
20 疏晶楼梯草 2n = 26 2 x = 13 Kumar & Subramaniamꎬ 1987ꎻ
E. hookerianum Holmgren & Goldblattꎬ 1981
21 宜昌楼梯草 2n = 26 2 x = 13 Fu et al.ꎬ 2017
E. ichangense
22 E. lanceolatum 2n = 52 4 x = 13 Kumar & Subramaniamꎬ 1987ꎻ
Holmgren & Goldblattꎬ 1981ꎻ
Sharma & Sarkarꎬ 1968
23 狭叶楼梯草 2n = 20ꎬ 24ꎬ 26ꎬ 52 2ꎻ 4 x = 10ꎬ 12ꎬ 13 Chatterjeeꎬ 1989ꎻ
E. lineolatum Subramanian & Thilagavathyꎬ 1988ꎻ
Kumar & Subramaniamꎬ 1987ꎻ
Holmgren & Goldblattꎬ 1981

