Abstract
Vincetoxicum junzifengense from Fujian Province in Southeast China is described and illustrated. This new species is similar to V. versicolor and V. stauntonii, but it differs by its climber life form, pubescent lanceolate leaf, triangular corolla lobe, dentate corona lobe, and ovoid pollinium. Phylogenetic analysis using the nuclear (ITS) and three plastid (trnT-L, trnG and psbA-trnH) DNA sequences reveals that V. junzifengense is close to V. versicolor and V. yonakuniense.
References
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Wolf, N.M. (1776) Genera plantarum: vocabulis characteristicis definita. Müller, Dantisci, 178 pp.
Bunge, A. (1833) Enumeratio Plantarum, quas in China boreali collegit. Without publisher, St. Petersburg, 73 pp.
Chen, S.P., Tian, H.Z., Guan, Q.X., Zhai, J.W., Zhang, G.Q., Chen, L.J., Liu, Z.J., Lan, S.R. & Li, M.H. (2019) Molecular systematics of Goodyerinae (Cranichideae, Orchidoideae, Orchidaceae) based on multiple nuclear and plastid regions. Molecular Phylogenetics and Evolution 139: 106542. https://doi.org/10.1016/j.ympev.2019.106542
de Candolle, A.P. (1844) Prodromus Systematis Naturalis Regni Vegetabilis, vol. 8. Treuttel & Würtz, Paris, 684 pp.
Diels, L. (1905) Beiträge zur Flora des Tsin ling shan und andere Zusätze zur Flora von Central China. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 36 (Beibl. 82): 1–138.
Douglass, C.H., Weston, L.A. & DiTommaso, A. (2009) Black and pale swallow-wort (Vincetoxicum nigrum and V. rossicum): the biology and ecology of two perennial, exotic and invasive vines. In: Inderjit (Ed.) Management of Invasive Weeds. Springer, Netherland, pp. 261–277. https://doi.org/10.1007/978-1-4020-9202-2_13
Hatusima, S. (1977) A new species of Cynanchum from the Ryukyus. Journal of Geobotany 25: 26–27.
IUCN. (2020) The IUCN Red List of Threatened Species, version 2020–1. IUCN Red List Unit, Cambridge UK. Available from: http://www.iucnredlist.org (accessed 1 May 2021).
Jiang, L.Q., Li, Y.Y., Zhu, X.X., Wang, Y.H. & Peng, H. (2018) Vincetoxicum xinpingense (Asclepiadeae, Asclepiadoideae, Apocynaceae), a new species from Yunnan Province, China. Phytotaxa 361: 56–64. https://doi.org/10.11646/phytotaxa.361.1.4
Li, P.T., Gilbert, M.G. & Stevens, W.D. (1995) Asclepiadaceae. In: Wu, C.Y. & Raven (Eds.) Flora of China, vol. 16. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, pp. 189–270.
Liede, S. (1996) Cynanchum – Rhodostegiella – Vincetoxicum – Tylophora: new considerations on an old problem. Taxon 45: 193–211. https://doi.org/10.2307/1224660
Liede-Schumann, S., Kong, H.H., Meve, U. & Thiv, M. (2012) Vincetoxicum and Tylophora (Apocynaceae: Asclepiadoideae: Asclepiadeae)-two sides of the same medal: Independent shifts from tropical to temperate habitats. Taxon 61: 803–825. https://doi.org/10.1002/tax.614007
Linnaeus, C. (1753) Species Plantarum, vol. 1. Imprensis Laurentii Salvii, Holmiae, 560 pp.
Miller, M.A., Pfeiffer, W. & Schwartz, T. (2010) Creating the CIPRES Science Gateway for inference of large phylogenetic trees. In: Proceedings of the Gateway Computing Environments Workshop. New Orleans, pp. 1–8. https://doi.org/10.1109/GCE.2010.5676129
Qiu, S.X., Li, D.Z., Zhang, Z.X., Zhou, J. & Wu, C.Y. (1989) Chemotaxonomy of Cynanchum and its allied genera with notes on the generic characteristics of Vincetoxicum. Acta Botanica Yunnanica 11 (1): 41–50.
Ronquist, F. & Huelsenbeck, J.P. (2003) MrBayes 3: Bayesian phylogenetic inference under mixed models. Bioinformatics 19: 1572–1574. https://doi.org/10.1093/bioinformatics/btg180
Shah, S.A., Sultan, A., Wen, J., Ullah, Z., Un Nisa, S., Ren, Z., Alam, M.M., Iqbal, J. & Mumtaz, A.S. (2021) Taxonomy of Vincetoxicum s.str. (Asclepiadoideae, Apocynaceae) from southern Asia including three new species and resurrected names. PhytoKeys 179: 35–73. https://doi.org/10.3897/phytokeys.179.62514
Stamatakis, A., Hoover, P. & Rougemont, J. (2008) A rapid bootstrap algorithm for the RAxML web-servers. Systematic Biology 57: 758?771. https://doi.org/10.1080/10635150802429642
Yamashiro, T., Tateishi, Y. & Maki, M. (2003) Vincetoxieum yonakuniense, a new combination of Asclepiadaceae and its new distribution record on Senkaku Islands, Ryuky Archipelago. Acta Phytotaxonomica et Geobotanica 54 (1): 31–36.
Wolf, N.M. (1776) Genera plantarum: vocabulis characteristicis definita. Müller, Dantisci, 178 pp.