Abstract
Begonia fenshuilingensis X.X.Feng, R.K.Li & Z.X.Liu, a new species in Begonia sect. Platycentrum (Klotzsch) A.DC. (Begoniaceae) from southeastern Yunnan, China, is here described and illustrated. It morphologically resembles B. dryadis and B. daweishanensis, but differs by its fleshy trigonous-ellipsoid capsules without wings. Molecular phylogenetic analysis of ITS sequence data supports the new species as monophyletic, and distinct from the two similar species. Due to its limited distribution, we consider the new taxon as “Vulnerable D2” (VU D2) according to the IUCN Red List Categories and Criteria.
References
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Shui, Y.M. & Huang, S.H. (1999) Notes on the genus Begonia from Yunnan. Acta Botanica Yunnanica 21 (1): 11–23.
Tian, D.K., Li, C., Li, C.H. & Li, X.J. (2015) Begonia pulchrifolia (Sect. Platycentrum), a new species of Begoniaceae from Sichuan of China. Phytotaxa 207 (3): 242–252. https://doi.org/10.11646/phytotaxa.207.3.2
Tian, D.K., Xiao, Y., Tong, Y., Fu, N.F., Liu, Q.Q. & Li, C. (2018) Diversity and conservation of Chinese wild Begonias. Plant Diversity 40: 75–90. https://doi.org/10.1016/j.pld.2018.06.002
Tian, D.K., Chen, B., Xiao, Y., Zheng, M.M. & Ge, B.J. (2021a) Begonia shenzhenensis, a new species of Begoniaceae from Guangdong, China. PhytoKeys 178: 171–178. https://doi.org/10.3897/phytokeys.178.66462
Tian, D.K., Ge, B.J., Xiao, Y., Tian, Q. & Li, C. (2021b) Begonia scorpiuroloba, a new species in Begonia sect. Platycentrum (Begoniaceae) from southern Guangxi of China. Phytotaxa 479 (2): 191–197. https://doi.org/10.11646/phytotaxa.479.2.5
Wang, W.G., Lang, X.A., Yang, L.L., Wu, H. & Zhang, S.Z. (2019a) Begonia zhongyangiana, a new species of Begonia (Begoniaceae) from western China. Phytotaxa 407 (1): 51–58. https://doi.org/10.11646/phytotaxa.407.1.8
Wang, W.G., Xi, H.C., Ma, X.D., Jiang, L.J., Wang, X.J., Shi, J.P. & Shen, J.Y. (2019b) Begonia austroyunnanensis, a new species of Begonia (Begoniaceae) from Yunnan, China. Taiwania 64 (4): 363–366.
Ding, B., Nakamura, K., Kono, Y., Ho, M.J. & Peng, C.I. (2014) Begonia jinyunensis (Begoniaceae, Section Platycentrum), a new palmately compound leaved species from Chongqing, China. Botanical studies 55: 62. https://doi.org/10.1186/s40529-014-0062-6
Doyle, J.J. & Doyle, J.L. (1987) A rapid DNA isolation procedure for small quantities of fresh leaf tissue. Phytochemical Bulletin 19: 11–15.
Fan, Q., Chen, S.F., Li, M.W., Guo, W., Jing, H.J., Wu, W., Zhou, R.C. & Liao, W.B. (2014) Molecular evidence for natural hybridization between wild loquat (Eriobotrya japonica) and its relative E. prinoides. BMC Plant Biology 14: 275. https://doi.org/10.1186/s12870-014-0275-6
Forrest, L.L. & Hollingsworth, P.M. (2003) A recircumscription of Begonia based on nuclear ribosomal sequences. Plant Systematics and Evolution 241: 193–211. https://doi.org/10.1007/s00606-002-0033-y
Gu, C.Z., Peng, C.I. & Turland, N.J. (2007) Begoniaceae. In: Wu, Z.Y., Raven, P.H. & Hong, D.Y. (Eds.) Flora of China 13. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, pp. 153–207.
Guo, S.W., Chen, W.H., Aung, A., Radbouchoom, S., Zhao, J.C., Li, Z.H. & Shui, Y.M. (2021) Begonia nangunheensis, a new species of Begoniaceae from Yunnan Province. Phytotaxa 480 (2): 201–209. https://doi.org/10.11646/phytotaxa.480.2.9
Hall TA. (1999) BioEdit: a user-friendly biological sequence alignment editor and analysis program for Windows 95/98/NT. Nucleic Acids Symposium Series 41: 95–98.
Huang, S.H. & Shui, Y.M. (1994) New taxa of Begonia from Yunnan. Acta Botanica Yunnanica 16 (4): 333–342.
Hughes, M., Moonlight, P.W., Jara-Muñoz, A., Tebbitt, M.C., Wilson, H.P. & Pullan, M. (2015–present). Begonia Resource Centre. Online database available from http://padme.rbge.org.uk/begonia/ (Updated 1 November 2021)
IUCN (2019) Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Committee of the IUCN Species Survival Commission. Available from: http://cmsdocs.s3.amazonaws.com/RedListGuidelines.pdf (accessed 10 June 2021)
Li, J.W., Tan, Y.H., Wang, X.L., Wang, C.W. & Jin, X.H. (2018) Begonia medogensis, a new species of Begoniaceae from Western China and Northern Myanmar. Phytokeys 103: 13–18. https://doi.org/10.3897/phytokeys.103.25392
Liu, Y., Tseng, Y.H., Yang, H.A., Hu, A.Q., Xu, W.B., Lin, C.W., Kono, Y., Chang, C.C., Peng, C.I. & Chung, K.F. (2020) Six new species of Begonia from Guangxi, China. Botanical Studies 61: 21. https://doi.org/10.1186/s40529-020-00298-y
Moonlight, P.W., Ardi, W.H., Padilla, L.A., Chung, K.F., Fuller, D., Girmansyah, D., Hollands, R., JaraMuñoz, A., Kiew, R., Leong, W.C., Liu, Y., Mahardika, A., Marasinghe, L.D.K., Connor, M.O., Peng, C.I., Pérez, Á.J., Phutthai, T., Pullan, M., Rajbhandary, S., Reynel, C., Rubite, R.R., Sang, J., Scherberich, D., Shui, Y.M., Tebbitt, M.C., Thomas, D.C., Wilson, H.P., Zaini, N.H. & Hughes, M. (2018) Dividing and conquering the fastest-growing genus: towards a natural sectional classification of the mega-diverse genus Begonia (Begoniaceae). Taxon 67 (2): 267–323. https://doi.org/10.12705/672.3
Nylander, J.A.A. (2004) MrModeltest v2. Program distributed by the author. Evolutionary Biology Centre, Uppsala University. Available from: http://www.softpedia.com/get/Science-CAD/MrModeltest.shtml (accessed 28 September 2021).
Ronquist, F. & Huelsenbeck, J.P. (2003) MrBayes 3: Bayesian phylogenetic inference under mixed models. Bioinformatics 19 (12): 1572–1574. https://doi.org/10.1093/bioinformatics/btg180
Shui, Y.M. & Chen, W.H. (2018) Begonia of China. Yunnan Science & Technology Press, Kunming, China, 285 pp.
Shui, Y.M. & Huang, S.H. (1999) Notes on the genus Begonia from Yunnan. Acta Botanica Yunnanica 21 (1): 11–23.
Tian, D.K., Li, C., Li, C.H. & Li, X.J. (2015) Begonia pulchrifolia (Sect. Platycentrum), a new species of Begoniaceae from Sichuan of China. Phytotaxa 207 (3): 242–252. https://doi.org/10.11646/phytotaxa.207.3.2
Tian, D.K., Xiao, Y., Tong, Y., Fu, N.F., Liu, Q.Q. & Li, C. (2018) Diversity and conservation of Chinese wild Begonias. Plant Diversity 40: 75–90. https://doi.org/10.1016/j.pld.2018.06.002
Tian, D.K., Chen, B., Xiao, Y., Zheng, M.M. & Ge, B.J. (2021a) Begonia shenzhenensis, a new species of Begoniaceae from Guangdong, China. PhytoKeys 178: 171–178. https://doi.org/10.3897/phytokeys.178.66462
Tian, D.K., Ge, B.J., Xiao, Y., Tian, Q. & Li, C. (2021b) Begonia scorpiuroloba, a new species in Begonia sect. Platycentrum (Begoniaceae) from southern Guangxi of China. Phytotaxa 479 (2): 191–197. https://doi.org/10.11646/phytotaxa.479.2.5
Wang, W.G., Lang, X.A., Yang, L.L., Wu, H. & Zhang, S.Z. (2019a) Begonia zhongyangiana, a new species of Begonia (Begoniaceae) from western China. Phytotaxa 407 (1): 51–58. https://doi.org/10.11646/phytotaxa.407.1.8
Wang, W.G., Xi, H.C., Ma, X.D., Jiang, L.J., Wang, X.J., Shi, J.P. & Shen, J.Y. (2019b) Begonia austroyunnanensis, a new species of Begonia (Begoniaceae) from Yunnan, China. Taiwania 64 (4): 363–366.