Abstract
Breynia pseudorostrata Huan C. Wang & Feng Yang, a new species in Phyllanthaceae, is described and illustrated. The new species was found in central Yunnan Province, southwest China. It morphologically resembles B. rostrata, but clearly differs from the latter by its ovate to elliptic leaf blades with broadly rounded to acute apex, styles strict, broad and nearly connate at base, stigmas with 2 shallow and completely inflexed lobes, and apex of capsule subtruncate.
References
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<p>Wagner, W.L. & Lorence, D.H. (2011) A nomenclator of Pacific oceanic island <em>Phyllanthus</em> (Phyllanthaceae), including <em>Glochidion</em>. <em>PhytoKeys</em> 4: 67–94. https://doi.org/10.3897/phytokeys.4.1581</p>
<p>Bouman, R.W., Keβler, P.J.A., Telford, I.R.H., Bruhl, J.J., Strijk, J.S., Saunders, R.M.K. & Van Welzen, P.C. (2021) Molecular phylogenetics of <em>phyllanthus</em> <em>sensu lato</em> (Phyllanthaceae): towards coherent monophyletic taxa. <em>Taxon</em> 70 (1): 72–98. https://doi.org/10.1002/tax.12424</p>
<p>Dennstedt, A.W. (1818) <em>Schlüssel zum Hortus indicus malabaricus: oder dreifaches register zu diesem werke. </em>Landes-Industrie-Comptoir, Weimar, 40 pp.</p>
<p>Forster, J.R. & Forster, G. (1776) <em>Characteres Generum Plantarum, quas in itinere ad insulas maris Australis, collegerunt, descripserunt, delinearunt, annis mdcclxxii-mdcclxxv. </em>Prostant apud B. White, T. Cadell, & P. Elmsly, London, 150 pp. https://doi.org/10.5962/bhl.title.4448</p>
<p>Govaerts, R., Frodin, D.G., Radcliffe-Smith, A. & Carter, S. (2000) <em>World Checklist and Bibliography of Euphorbiaceae (with Pandaceae)</em> 1–4. London: The Board of Trustees of the Royal Botanic Gardens, Kew, 1622 pp.</p>
<p>Hoffmann, P., Kathriarachchi, H. & Wurdack, K.J. (2006) A phylogenetic classification of Phyllanthaceae (Malpighiales; Euphorbiaceae<em> sensu lato</em>). <em>Kew Bulletin</em> 61: 37–53.</p>
<p>Jangid, P.P. & Gupta, S. (2016) Systematic wood anatomy of the tribe Phyllantheae (Phyllanthaceae, Euphorbiaceae <em>s. l.</em>) from India: Implication in reinstatement of <em>Phyllanthus</em>, <em>Glochidion </em>and allies. <em>Nordic Journal of Botany</em> 34 (4): 496–512. https://doi.org/10.1111/njb.01072</p>
<p>POWO (2021) <em>Plants of the World Online</em>. Royal Botanic Gardens, Kew. Available from: http://www.plantsoftheworldonline.org/ (accessed 4 October 2021).</p>
<p>Pruesapan, K., Telford, I.R.H., Bruhl, J.J. & Van Welzen, P.C. (2012) Phylogeny and proposed circumscription of <em>Breynia</em>, <em>Sauropus</em> and <em>Synostemon</em> (Phyllanthaceae), based on chloroplast and nuclear DNA sequences. <em>Australian Systematic Botany </em>25: 313–330. https://doi.org/10.1071/SB11005</p>
<p>Li, B.T. (1994)<em> Sauropus</em> Blume. and <em>Breynia</em> J. R. Forster & G. Forster. <em>In</em>: Li, B.T. (Eds.)<em> Flora Reipublicae Popularis Sinicae, </em>vol. 44 (1). Science Press, Beijing, pp. 162–184.</p>
<p>Li, B.T. & Esser, H.J. (2008) <em>Breynia</em> J. R. Forster & G. Forster. <em>In</em>: Wu, Z.Y. & Raven, P.H. (Eds.) <em>Flora of China</em>, vol. 11. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, pp. 207–209.</p>
<p>Li, B.T. & Gilbert, M.G. (2008) <em>Sauropus</em> Blume. <em>In</em>: Wu, Z.Y. & Raven, P.H. (Eds.) <em>Flora of China</em>, vol. 11. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, pp. 202–207.</p>
<p>Linnaeus, C. (1753) <em>Species Plantarum</em>. L. Salvius, Stockholm, 1200 pp.</p>
<p>Ma, H.Y., Peng, H. & Ying, W.Q. (2006) <em>Sauropus</em> Blume. and <em>Breynia</em> J. R. Forster & G. Forster. <em>In</em>: Wu, Z.Y. (Eds.) <em>Flora of Yunnan</em>, vol. 10. Science Press, Beijing, pp. 136–146.</p>
<p>Merrill, E.D. (1922) Diagnoses of Hainan plants. <em>The Philippine Journal of Science</em> 21 (4): 337–355.</p>
<p>Van Welzen, P.C. (2003) Revision of the Malesian and Thai species of <em>Sauropus </em>(Euphorbiaceae: Phyllanthoideae). <em>Blumea </em>448 (2): 319–391. https://doi.org/10.3767/000651903X675017</p>
<p>Van Welzen, P.C. (2021) <em>Flora Malesiana Euphorbiaceae</em>. Naturalis Biodiversity Center, Leiden. Available from: http://www.nationaalherbarium.nl/Euphorbs/specB/BreyniaT.htm (accessed 4 October 2021).</p>
<p>Van Welzen, P.C. & Chayamarit, K. (2021) <em>Flora of Thailand Euphorbiaceae</em>. Naturalis Biodiversity Center, Leiden; Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok. Available from: http://nationaalherbarium.nl/ThaiEuph/ThBspecies/ThBreyniaT.htm (accessed 4 October 2021).</p>
<p>Van Welzen, P.C., Pruesapan, K., Telford, I.R.H., Esser, H.J. & Bruhl, J.J. (2014) Phylogenetic reconstruction prompts taxonomic changes in <em>Sauropus</em>, <em>Synostemon</em> and <em>Breynia</em> (Phyllanthaceae tribe Phyllantheae). <em>Blumea</em> 59 (2): 77–94. https://doi.org/10.3767/000651914X684484</p>
<p>Von Mueller, F.J.H. (1858)<em> Fragmenta Phytographiae Australiae, </em>vol.1 (2). Government Printer, Melbourne, pp. 32. https://doi.org/10.5962/bhl.title.116758</p>
<p>Wagner, W.L. & Lorence, D.H. (2011) A nomenclator of Pacific oceanic island <em>Phyllanthus</em> (Phyllanthaceae), including <em>Glochidion</em>. <em>PhytoKeys</em> 4: 67–94. https://doi.org/10.3897/phytokeys.4.1581</p>