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Type: Article
Published: 2022-04-08
Page range: 89–94
Abstract views: 22
PDF downloaded: 19

Begonia ostulensis (Begoniaceae), a new species from Michoacán, Mexico

Herbario de la Facultad de Ciencias (FCME), Universidad Nacional Autónoma de México, Apartado Postal 70-399, 04510 Coyoacán, Mexico City, Mexico
Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios 1, Los Reyes Iztacala, 54090, Tlalnepantla, Estado de México, Mexico
Eudicots Aquila Cucurbitales deciduous tropical forest


Begonia ostulensis sp. nov. is a new species from section Knesebeckia, known solely from the state of Michoacán; it is similar to Begonia monophylla, an endemic species from Mexico with a distribution in the states of Mexico, Colima, Michoacán, Guerrero and Morelos, but B. ostulensis differs from it in having an orbicular, peltate, solitary leaf, with the lower and upper surfaces glabrous, a lobed and double-dentate, non-ciliate margin, inflorescences terminal, peduncle and rachis glabrous and fruit with primary wing asymmetrically triangular, glabrous.


<p>Agardh, C.A. (1824) <em>Begoniaceae</em>. Aphorismi Botanici, New York, USA, 246 pp.</p>
<p>Candolle, A. de (1859) Mémoire sur la famille des Bégoniaceas. <em>Annales des Sciences Naturelles; Botanique</em>, série 4 11: 116–145.</p>
<p>Burt-Utley, K. &amp; McVaugh, R. (2001) Begoniaceae. <em>Flora Novo-Galiciana </em>3: 653–695.</p>
<p>Doorenbos, J., Sosef, M.S.M. &amp; Wilde, J.J.F.E. de (1998) The sections of <em>Begonia</em>, including descriptions, keys and species lists (Studies in Begoniaceae VI). <em>Wageningen Agricultural University Papers</em> 98 (2): 1–266.</p>
<p>Forrest, L.L. &amp; Hollingsworth, P.M. (2003) A recircumscription of <em>Begonia </em>based on nuclear ribosomal sequences. <em>Plant Systematics and Evolution</em> 241: 193–211.&nbsp;</p>
<p>GBIF (2022) GBIF Occurrence Download<em> Begonia monophylla</em> Pav. ex A.DC.&nbsp;</p>
<p>Hughes, M., Moonlight, P.W., Jara-Muñoz, A., Tebbitt, M.C., Wilson, H.P. &amp; Pullan, M. (2015–) <em>Begonia</em> Resource Centre. Available from: (accessed 26 November 2021)</p>
<p>INEGI—Instituto Nacional de Estadística, Geografía e Informática (2013) Continuo de Elevaciones Mexicano (CEM 3.0). Available from: (accessed 20 March 2022)</p>
<p>Klotzsch, J.F. (1854) Ordo Begoniaceae R. Brown, Bonpland. <em>Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlich Preussischen Akademie der Wissenschaften zu Berlin</em> 1854: 121–125.</p>
<p>Linnaeus, C. (1753) <em>Species plantarum</em>. Vol. 2. Laurentii Salvii, Stockholm, 1056 pp.</p>
<p>Moonlight, P.W., Ardi, W.H., Arroyo, L.A., Chung, K.-F., Fuller, D., Girmansyah, D., Hollands, A., Jara-Muñoz, A., Kiew, R., Leong, W.C., Liu, Y., Mahardika, A., Marasinghe, L., O’Connor, M., 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. &amp; Hughes, M. (2018) Dividing and conquering the fastest growing genus: Towards a natural sectional classification of the mega-diverse genus <em>Begonia </em>(Begoniaceae). <em>Taxon</em> 67: 267–323.&nbsp;</p>
<p>Moonlight, P.W., Richardson, J.E., Tebbitt, M.C., Thomas, D.C., Hollands, R., Peng, C.-I. &amp; Hughes, M. (2015) Continental-scale diversification patterns in a megadiverse genus: The biogeography of Neotropical <em>Begonia</em>. <em>Journal of Biogeography</em> 42 (6): 1137–1149.&nbsp;</p>
<p>Oliver, D. (1866) <em>Hillebrandia</em>. <em>Transactions of the Linnean Society of London</em> 25: 361–363.&nbsp;</p>
<p>Shaeffer, H. &amp; Renner, S. (2011) Phylogenetic relationships in the order Cucurbitales and a new classification of the gourd family (Cucurbitaceae). <em>Taxon</em> 60 (1): 122–138.&nbsp;</p>
<p>Villaseñor, J.L. (2016) Checklist of the native vascular plants of Mexico. <em>Revista Mexicana de Biodiversidad</em> 87 (3): 559–902.&nbsp;</p>
<p>Wilde, J.J.F.E. de (2011) <em>Begoniaceae.</em> <em>In</em>: Kubitzki, K. (Eds.) <em>The families and genera of vascular plants</em>. Volume 10. <em>Flowering plants. Eudicots: Sapindales, Cucurbitales, Myrtaceae</em>. Springer, Berlin, pp. 56–71.&nbsp;</p>
<p>Ziesenhenne, R. (1968) <em>Begonia alabaculoides</em> Zies. <em>The Begonian</em> 35: 256–258.</p>