Published March 26, 2024
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TABLE 1 in Two new diploid species of Isoetes (Isoetaceae: Lycopodiopsida) from Southeastern China based on morphological and molecular evidence
Authors/Creators
- 1. State Key Laboratory of Hybrid Rice, Laboratory of Plant Systematics and Evolutionary Biology, College of Life Sciences, Wuhan University, Wuhan 430072, P. R. China
- 2. Hangzhou Tianjing Aquatic Botanical Garden, Hangzhou 310000, P. R. China
Description
TABLE 1. Comparative accounts on the morphology of megaspores and microspores of Isoetes species in China.
| I. changleensis | I. yuhangensis | I. baodongii | I. sinensis | I. longpingii | I. xiangfei | I. orientalis | I. taiwanensis | I. yunguiensis | I. hypsophila | I. shangrilaensis | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Megaspore diameter (μm) | 246–314 | 270–324 | 390–510 | 317–424 | 310–410 | 390–450 | 350–460 | 280–340 | 340–430 | 361–510 | 207–273 |
| Mean megaspore size (μm) | 284 | 302 | 450 | 378 | 350 | 430 | 420 | 312 | 390 | 450 | 245 |
| Ornamentation of megaspores | |||||||||||
| proximal surface | tuberculate | rugulate | echinate-cristate | echinate | tuberculate-cristate | cristate-reticulate | cristate-reticulate | tuberculate | cristate-reticulate | levigate | levigate |
| Equatorial surface (girdle) | rugulate | smooth | / | loss | / | / | / | smooth | loss | loss | smooth |
| distal surface | rugulate | rugulate | echinate-cristate | echinate-cristate | tuberculate-cristate | cristate-reticulate | cristate-reticulate | tuberculate-cristate | cristate-reticulate | levigate | tuberculate-rugulate |
| Range microspore size (μm) | 14–20 | 16–26 | 22–27 | 20–29 | 27–30 | 26–28 | 20–38 | 20–28 | 20–25 | 19–25 | 11–24 |
| Mean microspore size (μm) | 18 | 21 | 25 | 25 | 29 | 27 | 34 | 24 | 22 | 22 | 19 |
| Ornamentation of microspores | blunt-tipped echinate | sharp-tipped echinate | echinate | echinate | echinate | echinate | echinate-tuberculate | echinate | levigate-granulate | rugulate | echinate-cristate |
| Chromosome number | 22 | 22 | 22 | 44 | 44 | 44 | 66 | 22 | 22 | 22 | 22 |
| Data Source | this study | this study | Lu et al. 2021 | Liu et al. 2008 | Shu et al. 2022 | Shu et al. 2022 | Liu et al. 2008 | Liu et al. 2008 | Liu et al. 2008 | Li et al. 2019 | Li et al. 2019 Shu et al. 2022 |
Note:/ represents no data.
Notes
Published as part of Liu, Chenlai, Yu, Xiaolei, Song, Xiaoli, Shao, Jingjing, Chen, Yuchu & Liu, Xing, 2024, Two new diploid species of Isoetes (Isoetaceae: Lycopodiopsida) from Southeastern China based on morphological and molecular evidence, pp. 40 in Phytotaxa 642 (1) on page 40, DOI: 10.11646/phytotaxa.642.1.3, http://zenodo.org/record/13214145
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- Is part of
- Journal article: 10.11646/phytotaxa.642.1.3 (DOI)
- Journal article: urn:lsid:plazi.org:pub:FFB0FFB2C0567F78FFCCFFCCFF83746C (LSID)
- Journal article: http://publication.plazi.org/id/FFB0FFB2C0567F78FFCCFFCCFF83746C (URL)
- Journal article: http://zenodo.org/record/13214145 (URL)
References
- Lu, J. Y., Gu, F. Y. & Yan, H. Y. (2021) Isoetes baodongii (Isoetaceae), a New Basic Diploid Quillwort from China. Novon 29: 206 - 210. https: // doi. org / 10.3417 / 2021680
- Liu, X., Liu, H. & Wang, Q. F. (2008) Spore morphology of Isoetes (Isoetaceae) from China. Journal of Systematics and Evolution 6: 479 - 489. https: // doi. org / 10.3724 / SP. J. 1002.2008.06190
- Shu, J. P., Gu, Y. F., Ou, Z. G., Shao, W., Yang, J., Lu, Q. Y., Zhang, X. C., Liu, B. D., Wang, R. J. & Yan, Y. H. (2022) Two new tetraploid quillworts species, Isoetes longpingii and I. xiangfei from China (Isoetaceae). Guihaia 42 (10): 1623 - 1631. http: // dx. doi. org / 10.11931 / guihaia. gxzw 202112045
- Li, X., Huang, Y. Q., Dai, X. K. & Liu X. (2019) Isoetes shangrilaensis, a new species of Isoetes from Hengduan mountain region of Shangri-la, Yunnan. Phytotaxa 397 (1): 65 - 73. https: // doi. org / 10.11646 / phytotaxa. 397.1.6