Abstract
Thaumatophyllum calcicola, a new species of Araceae restricted to limestone outcrop vegetation within the Brazilian Cerrado (savanna) in the western region of the state of Bahia, is described and illustrated, and compared with the morphologically similar species Thaumatophyllum speciosum.
References
- Aguiar-Campos, N., Maia, V.A., Silva, W.B., Souza, C.R. & Santos, R.M. (2020) Can fine-scale habitats of limestone outcrops be considered litho-refugia for dry forest tree lineages? Biodiversity and Conservation 29: 1009–1026. https://doi.org/10.1007/s10531-019-01923-4
- Bachman, S., Moat, J., Hill, A., de la Torre, J. & Scott, B. (2011) Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool. ZooKeys 150: 117–126. https://doi.org/10.3897/zookeys.150.2109
- Brinkmann, R. & Parise, M. (2020) Karst environments: problems, management, human impacts, and sustainability: An introduction to the special issue. Journal of Cave and Karst Studies 74: 135–136. https://doi.org/10.4311/2011JCKS0253
- Calazans, L.S.B., Sakuragui, C.M. & Mayo, S.J. (2014) From open areas to forest? The evolutionary history of Philodendron subgenus Meconostigma using morphological data. Flora (Jena) 209: 117–121. https://doi.org/10.1016/j.flora.2013.12.004
- Cedeño-Fonseca, M., Ortiz, O.O., Köster, N., Jiménez, P.D., Koutroumpa, K., Borsch, T. & de Mestier, A. (2025) Species diversity patterns within a big neotropical genus: recent radiations in Philodendron (Araceae) in Central America. Annals of Botany 2025: mcaf257. https://doi.org/10.1093/aob/mcaf257
- Dryflor-Banda-R., K., Delgado-Salinas, A., Dexter, K.G., Linares-Palomino, R., Oliveira-Filho, A., Prado, D., Pullan, M., Quintana, C., Riina, R., Rodríguez, M.G.M., Weintritt, J., Acevedo-Rodríguez, P., Adarve, J., Álvarez, E., Aranguren, B.A., Arteaga, J.C., Aymard, G., Castaño, A., Ceballos-Mago, N., Cogollo, Á., Cuadros, H., Delgado, F., Devia, W., Dueñas, H., Fajardo, L., Fernández, Á., Fernández, M.Á., Franklin, J., Freid, E.H., Galetti, L.A., Gonto, R., González-M., R., Graveson, R., Helmer, E.H., Idárraga, Á., López, R., Marcano-Vega, H., Martínez, O.G., Maturo, H.M., McDonald, M., McLaren, K., Melo, O., Mijares, F., Mogni, V., Molina, D., Moreno, N.delP., Nassar, J.M., Neves, D.M., Oakley, L.J., Oatham, M., Olvera-Luna, A.R., Pezzini, F.F., Reyes Dominguez, O.J., Ríos, M.E., Rivera, O., Rodríguez, N., Rojas, A., Särkinen, T., Sánchez, R., Smith, M., Vargas, C. & Villanueva, B. (2016) Plant diversity patterns in neotropical dry forests and their conservation implications. Science 353: 1383–1387. https://doi.org/10.1126/science.aaf5080
- Engler, A. (1899) Beitrage Zur kenntnis der Araceae. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 26: 509–572.
- Felfili, J.M., Nascimento, A.R.T., Fagg, C.W. & Meirelles, E.M. (2007) Floristic composition and community structure of a seasonally deciduous forest on limestone outcrops in Central Brazil. Brazilian Journal of Botany 30: 611–621. https://doi.org/10.1590/S0100-84042007000400007
- Godinho, L.P.S. & Karmann, I. (2020) Geoespeleologia, geomorfologia e geocronologia do sistema cárstico de São Desidério, Bahia, Brasil. Universidade de São Paulo, São Paulo, 328 pp.
- IUCN (2012) IUCN red list categories and criteria, version 3.1, 2nd edn. IUCN, Cambridge U K. Available from: https://portals.iucn.org/library/node/10315 (accessed 24 March 2025)
- IUCN Standards and Petitions Subcommittee (2022) The Guidelines for Using the IUCN RedList Categories and Criteria are regularly updated, version 15.1. Available from: https://www.iucnredlist.org/resources/redlistguidelines (accessed 24 March 2025)
- QGIS Development Team (2025) QGIS Geographic Information System, version 3.16.7. Open Source Geospatial Foundation Project. [http://qgis.osgeo.org]
- Mayo, S.J. (1989) Observations of gynoecial structure in Philodendron (Araceae). Botanical Journal of the Linnean Society 100: 139–172. https://doi.org/10.1111/j.1095-8339.1989.tb01714.x
- Mayo, S.J. (1991) A revision of Philodendron subgenus Meconostigma. Kew Bulletin 46: 601–681. https://doi.org/10.2307/4110410
- Rocha, L.G.S. & Pinto, J.R. (2021) Diversity and structural changes in Cerrado Rupestre under effects of disturbances. Brazilian Journal of Botany 44: 213–225. https://doi.org/10.1007/s40415-020-00687-4
- Sakuragui, C.M., Calazans, L.S.B., de Oliveira, L.L., de Morais, É.B., Benko-Iseppon, A.M., Vasconcelos, S. & Schrago, C.E.G. (2018) Recognition of the genus Thaumatophyllum Schott—formerly Philodendron subg. Meconostigma (Araceae)—based on molecular and morphological evidence. PhytoKeys 98: 51–71. https://doi.org/10.3897/phytokeys.98.25044
- Schott, H.W. & Endlicher, S. (1832) Meletemata Botanica. Typis Caroli Gerold, Vindobonae, 36 pp. https://doi.org/10.5962/bhl.title.40101
- Schott, H.W. (1859) Aroideenskizzen. Bonplandia 7: 26–31.
- Thiers, B. (2025 [continuously updated]) Index Herbariorum. A Global Directory of Public Herbaria and Associated Staff. [https://sweetgum.nybg.org/science/ih/]
- Turland, N.J., Wiersema, J.H., Barrie, F.R., Gandhi, K.N., Gravendyck, J., Greuter, W., Hawksworth, D.L., Herendeen, P.S., Klopper, R.R., Knapp, S., Kusber, W.-H., Li, D.-Z., May, T.W., Monro, A.M., Prado, J., Price, M.J., Smith, G.F. & Zamora Señoret, J.C. (2025) International Code of Nomenclature for algae, fungi, and plants (Madrid Code). Regnum Vegetabile 162. Chicago: University of Chicago Press. https://doi.org/10.7208/chicago/9780226839479.001.0001
- Wheeler, Q.D. & Platnick, N.I. (2000) The Phylogenetic Species Concept (sensu Wheeler and Platnick). In: Wheeler, Q.D. & Meier, R. (Eds.) Species concepts and phylogenetic theory. Columbia University Press, New York, pp. 55–69.
