Abstract
Begonia lanuzaensis from Mt. Nabuywang, Lanuza, Surigao del Sur, is described as a new species endemic to the Philippines. B. lanuzaensis is allied to B. mindanaensis and B. agusanensis in having oblanceolate leaves with short petioles and four-tepalled staminate flowers but is distinct in having glabrous stems and petioles; bigger, triangular and glabrous stipules and larger leaves.
References
<p>de Candolle, A. (1859) Memoire Sur La Famille Des Begoniacees. <em>Annales des Sciences Naturelles;</em> <em>Botanique</em> 11: 122–134. Available from: https://www.biodiversitylibrary.org/item/129892 (accessed 8 July 2021)</p>
<p>Doorenbos, J., Sosef, M.S.M. & De Wilde, J.J.F.E. (1998) The sections of <em>Begonia </em>including descriptions, keys and species list (Studies in Begoniaceae VI). <em>Wageningen Agricultural University Papers </em>98-2: 1–266.</p>
<p>Hughes, M., Moonlight, P., Jara, A., Tebbitt, M. and Pullan, M. (2015–Present) <em>Begonia </em>Resource Center. The Royal Botanic Gardens, Kew. Available from: http://padme.rbge.org.uk/begonia/ (accessed 8 July 2021)</p>
<p>IUCN Standards and Petitions Committee. (2019) Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Committee. Available from: http://www.iucnredlist.org/documents/RedListGuidelines.pdf (accessed 21 October 2021)</p>
<p>Kiew, R. (2005) <em>Begonias of Peninsular Malaysia</em>. Natural History Publications (Borneo) Sdn. Bhd. Kota Kinabalu, Sahah, Malaysia, 308 pp.</p>
<p>Klotzsch, J.F. (1854) Begoniaceen-Gattungen und Arten. <em>Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin </em>194-243. Available from: https://www.biodiversitylibrary.org/item/92694 (accessed 8 July 2021)</p>
<p>Merril, E.D. (1912,1911), The Philippine species of <em>Begonia</em>. <em>Philippine Journal of Science</em>, section C, Botany 6: 369–406.</p>
<p>Rubite, R. (2013) <em>Begonia</em> section <em>Petermannia </em>of Luzon Island, the Philippines. <em>Philippine Journal of Science</em> 142: 183–197.</p>
<p>Rubite, R.R., Hughes, M., Alejandro, G.J.D. & Peng, C. (2013) Recircumscription of <em>Begonia </em>sect. <em>Baryandra</em> (Begoniaceae): evidence from molecular data. <em>Botanical Studies </em>54<em>: </em>38. https://doi.org/10.1186/1999-3110-54-38</p>
<p>Rubite, R.R., Brillantes, R.Y., Tandang, D.N., Moran, C.B., Rule, M.G.Q. & Lin, C.W. (2021) <em>Begonia benitotanii</em> (section <em>Petermannia</em>, Begoniaceae) a new species endemic to the Philippine island of Bucas Grande. <em>Phytotaxa</em> 513 (3): 257–264. https://doi.org/10.11646/phytotaxa.513.3.5</p>
<p>Warburg, O. (1904) Begoniaceae. <em>In:</em> Perkins, <em>Fragm. Fl. Philipp. </em>Gebrüder Borntraeger, Leipzig, pp. 51–56. Available from: https://www.biodiversitylibrary.org/bibliography/10928 (accessed 8 July 2021)</p>
<p>Doorenbos, J., Sosef, M.S.M. & De Wilde, J.J.F.E. (1998) The sections of <em>Begonia </em>including descriptions, keys and species list (Studies in Begoniaceae VI). <em>Wageningen Agricultural University Papers </em>98-2: 1–266.</p>
<p>Hughes, M., Moonlight, P., Jara, A., Tebbitt, M. and Pullan, M. (2015–Present) <em>Begonia </em>Resource Center. The Royal Botanic Gardens, Kew. Available from: http://padme.rbge.org.uk/begonia/ (accessed 8 July 2021)</p>
<p>IUCN Standards and Petitions Committee. (2019) Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Committee. Available from: http://www.iucnredlist.org/documents/RedListGuidelines.pdf (accessed 21 October 2021)</p>
<p>Kiew, R. (2005) <em>Begonias of Peninsular Malaysia</em>. Natural History Publications (Borneo) Sdn. Bhd. Kota Kinabalu, Sahah, Malaysia, 308 pp.</p>
<p>Klotzsch, J.F. (1854) Begoniaceen-Gattungen und Arten. <em>Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin </em>194-243. Available from: https://www.biodiversitylibrary.org/item/92694 (accessed 8 July 2021)</p>
<p>Merril, E.D. (1912,1911), The Philippine species of <em>Begonia</em>. <em>Philippine Journal of Science</em>, section C, Botany 6: 369–406.</p>
<p>Rubite, R. (2013) <em>Begonia</em> section <em>Petermannia </em>of Luzon Island, the Philippines. <em>Philippine Journal of Science</em> 142: 183–197.</p>
<p>Rubite, R.R., Hughes, M., Alejandro, G.J.D. & Peng, C. (2013) Recircumscription of <em>Begonia </em>sect. <em>Baryandra</em> (Begoniaceae): evidence from molecular data. <em>Botanical Studies </em>54<em>: </em>38. https://doi.org/10.1186/1999-3110-54-38</p>
<p>Rubite, R.R., Brillantes, R.Y., Tandang, D.N., Moran, C.B., Rule, M.G.Q. & Lin, C.W. (2021) <em>Begonia benitotanii</em> (section <em>Petermannia</em>, Begoniaceae) a new species endemic to the Philippine island of Bucas Grande. <em>Phytotaxa</em> 513 (3): 257–264. https://doi.org/10.11646/phytotaxa.513.3.5</p>
<p>Warburg, O. (1904) Begoniaceae. <em>In:</em> Perkins, <em>Fragm. Fl. Philipp. </em>Gebrüder Borntraeger, Leipzig, pp. 51–56. Available from: https://www.biodiversitylibrary.org/bibliography/10928 (accessed 8 July 2021)</p>