Abstract
Based on critical observations on herbarium specimens (including type material) and living plants in the wild, we demonstrate that Thalictrum daguanense, described from Daguan county in northeastern Yunnan, China, is conspecific with T. omeiense, a species distributed in southwestern and southeastern Sichuan and northeastern Yunnan. We therefore reduce T. daguanense to the synonymy of T. omeiense herein.
References
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<p>Wang, W.T. & Wang, S.H. (1979a) <em>Thalictrum</em> L. <em>In</em>: Anonymous (Ed.) <em>Flora Reipublicae Popularis Sinicae</em>, vol. 27. Science Press, Beijing, pp. 502–592.</p>
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<p>Xie, L., Wang, Z.T., Liu, Q., Li, S.M., Li, Y.S., Song, R.K., Zhao, S.M., Han, L.T., Wang, W., Yu, L., Qian, J.S., Yang, X.W., Zhang, Y.T., Qiao, X., Yang, X.B., Cong, X., Ma, T., Dong, S.Z., Wang, A.N., He, Z.Y. & Pei, J. (2016) <em>Thalictrum</em> L. <em>In</em>: Wei, F.N., Wang, Z.T., Zhang, W.S., Pei, J. & Yang, X.W. (Eds.) <em>Medical Flora of China</em>, vol. 3. Peking University Medical Press, Beijing, pp. 231‒287.</p>
<p>Zeng, Y.P., Yuan, Q. & Yang, Q.E. (2021a) <em>Thalictrum minshanicum</em> and <em>T. pseudoramosum</em> (Ranunculaceae), two new species from China. <em>Phytotaxa</em> 502: 133–148. https://doi.org/10.11646/phytotaxa.502.2.2</p>
<p>Zeng, Y.P., Yuan, Q. & Yang, Q.E. (2021b) <em>Thalictrum bouffordii</em> (Ranunculaceae), a new species from the Qionglai mountains region in western Sichuan, China. <em>Phytotaxa</em> 510: 18‒28. https://doi.org/10.11646/phytotaxa.510.1.2</p>
<p>Blume, C.L. (1825) <em>Bijdragen tot de Flora van Nederlandsch Indië</em>, part 1. Ter Lands Drukkerij, Batavia, pp. 1‒42. https://doi.org/10.5962/bhl.title.115427</p>
<p>Boivin, B. (1945) Notes on some Chinese and Korean species of <em>Thalictrum</em>.<em> Journal of the Arnold Arboretum </em>26: 111–118. https://doi.org/10.5962/p.185520</p>
<p>Fu, D.Z. & Zhu, G.H. (2001) <em>Thalictrum</em> Linnaeus. <em>In</em>: Wu, Z.Y., Raven, P.H. & Hong, D.Y. (Eds.) <em>Flora of China</em>, vol. 6. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, pp. 282–302.</p>
<p>Li, Z.Y. & Ogisu, M. (2007) Ranunculaceae. <em>In</em>: Li, Z.Y. & Shi, L. (Eds.) <em>Plants of Mount Emei</em>. Beijing Science & Technology Press, Beijing, pp. 249‒255.</p>
<p>Linnaeus, C. (1753) <em>Species Plantarum</em>. Laurentii Salvii, Holmiae, 1200 pp.</p>
<p>Liu, K.M. (2000) <em>Thalictrum</em> Linn. <em>In</em>: Liu, K.M. (Ed.) <em>Flora of Hunan</em>, vol. 2. Hunan Science & Technology Press, Changsha, pp. 648–657.</p>
<p>Wang, W.T. (1991) <em>Thalictrum</em> Linn. <em>In</em>: Anonymous (Ed.) <em>Flora of Guangxi</em>, vol. 1. Guangxi Science and Technology Publishing House, Nanning, pp. 275‒276.</p>
<p>Wang, W.T. (2000) <em>Thalictrum</em> L. <em>In</em>: Fu, L.K. & Hong, T. (Eds.) <em>Higher Plants of China</em>, vol. 3. Qingdao Publishing House, Qingdao, pp. 459‒481.</p>
<p>Wang, W.T. (2017) Six new species of <em>Thalictrum</em> (Ranunculaceae) from China. <em>Guihaia</em> 37: 675–684.</p>
<p>Wang, W.T. (2018) <em>Thalictrum (Ranunculaceae) in China</em>. Peking University Press, Beijing, 376 pp.</p>
<p>Wang, W.T. & Wang, S.H. (1979a) <em>Thalictrum</em> L. <em>In</em>: Anonymous (Ed.) <em>Flora Reipublicae Popularis Sinicae</em>, vol. 27. Science Press, Beijing, pp. 502–592.</p>
<p>Wang, W.T. & Wang, S.H. (1979b) Addenda. <em>In</em>: Anonymous (Ed.) <em>Flora Reipublicae Popularis Sinicae, </em>vol. 27. Science Press, Beijing, pp. 603–622.</p>
<p>Xie, L., Wang, Z.T., Liu, Q., Li, S.M., Li, Y.S., Song, R.K., Zhao, S.M., Han, L.T., Wang, W., Yu, L., Qian, J.S., Yang, X.W., Zhang, Y.T., Qiao, X., Yang, X.B., Cong, X., Ma, T., Dong, S.Z., Wang, A.N., He, Z.Y. & Pei, J. (2016) <em>Thalictrum</em> L. <em>In</em>: Wei, F.N., Wang, Z.T., Zhang, W.S., Pei, J. & Yang, X.W. (Eds.) <em>Medical Flora of China</em>, vol. 3. Peking University Medical Press, Beijing, pp. 231‒287.</p>
<p>Zeng, Y.P., Yuan, Q. & Yang, Q.E. (2021a) <em>Thalictrum minshanicum</em> and <em>T. pseudoramosum</em> (Ranunculaceae), two new species from China. <em>Phytotaxa</em> 502: 133–148. https://doi.org/10.11646/phytotaxa.502.2.2</p>
<p>Zeng, Y.P., Yuan, Q. & Yang, Q.E. (2021b) <em>Thalictrum bouffordii</em> (Ranunculaceae), a new species from the Qionglai mountains region in western Sichuan, China. <em>Phytotaxa</em> 510: 18‒28. https://doi.org/10.11646/phytotaxa.510.1.2</p>