Se propone Topea H. A. Keller como nuevo nombre para el género Aenigma H. A. Keller (Apocynaceae) por prexistir un homónimo fonético. Además, sobre la base de estudios de filogenia molecular se describe dentro de la tribu Asclepiadeae a la nueva subtribu monogenérica Topeinae H. A. Keller & Liede, endémica del Cono Sur de América del SurA new name, Topea H. A. Keller, is proposed for the genus Aenigma H. A. Keller (Apocynaceae) because there is a preexisting phonetic homonym. In addition, based on molecular phylogenetic studies, the new, monogeneric subtribe Topeinae H. A. Keller & Liede, endemic to the southern cone of South America, is here described within the tribe Asclepiadeae.Fil: Keller, Hector Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina. University of Bayreuth; AlemaniaFil: Liede Schumann, Sigrid. University of Bayreuth; Alemani

Keller, Hector Alejandro

Liede Schumann, Sigrid

Bonplandia

English

CONICET Digital

133H. A. Keller & S. Liede-Schumann, Novedades filogenéticas y nomenclaturales en Asclepiadoideae IntroductionThe genus Aenigma  H. A. Keller (Apocynaceae: Asclepiadoideae), recently described on the basis of herbarium material collected in the north of Misiones Province (Argentina) and in the Dep. Amambay (Paraguay), consists of two species of twining plants that grow associated with wetlands in the subtropical forest (Keller, 2017). Aenigma, however, has been found to constitute an illegitimate generic name because it represents a phonetic homonym of a genus of red algae, Enigma Weber-van Bosse (1932). This circumstance, overlooked when describing Aenigma, requires to coin a new name for the genus and to establish two combinations for the species described under the genus up to the present.The pendent pollinia clearly identify the genus as a member of Asclepiadeae. Of this tribe, three major lineages are found in the Americas, Asclepias L. (Asclepiadinae), Cynanchum L. (Cynanchinae), and the Metastelmatinae-Orthosiinae-Oxypetalinae-Gonolobinae clade (MOOG-clade sensu Rapini et al., 2003; Liede-Schumann et al., 2005), comprising at present seven subtribes. The morphological discussion in Keller (2017) could clearly rule out Asclepiadinae BONPLANDIA 26(2): 133-136. 2017ISSN: 0524-0476 (impreso)ISSN 1853-8460 (digital)“THE END OF AN ENIGMA”, A NEW SUBTRIBE AND NOMENCLATURAL NOVELTIES IN ASCLEPIADEAE (APOCYNACEAE: ASCLEPIADOIDEAE)HÉCTOR A. KELLER1 & SIGRID LIEDE-SCHUMANN2Summary: Keller, H. A. & S. Liede-Schumann. 2017. “The end of an enigma”, new subtribe and nomenclatural novelties in Asclepiadeae (Apocynaceae: Asclepiadoideae). Bonplandia 26(2): 133-136. A new name, Topea H. A. Keller, is proposed for the genus Aenigma H. A. Keller (Apocynaceae) because there is a preexisting phonetic homonym. In addition, based on molecular phylogenetic studies, the new, monogeneric subtribe Topeinae H. A. Keller & Liede, endemic to the southern cone of South America, is here described within the tribe Asclepiadeae.Key words: Nomenclature, phylogeny, taxonomy, Topea, Topeinae.Resumen: Keller, H. A. & S. Liede-Schumann. 2017. “El fin de un enigma”, una nueva subtribu y novedades nomenclaturales en Asclepiadeae (Apocynaceae: Asclepiadoideae). Bonplandia 26(2): 133-136. Se propone Topea H. A. Keller como nuevo nombre para el género Aenigma H. A. Keller (Apocynaceae) por prexistir un homónimo fonético. Además, sobre la base de estudios de filogenia molecular se describe dentro de la tribu Asclepiadeae a la nueva subtribu monogenérica Topeinae H. A. Keller & Liede, endémica del Cono Sur de América del Sur.Palabras clave: Filogenia, nomenclatura, taxonomía, Topea, Topeinae. 1 Instituto de Botánica del Nordeste - CONICET, Casilla de Correo 209, 3400-Corrientes, Argentina. E-mail: hakeller2000@yahoo.com.ar2 Department of Plant Systematics, University of Bayreuth, 95440 Bayreuth, Germany.   E-mail: sigrid.liede@uni-bayreuth.de134BONPLANDIA 26(2). 2017and Cynanchinae as subtribal affiliation, but did not allow to assign the genus to one of the subtribes of the MOOG clade with certainty. For this reason, molecular analyses were conducted to resolve the enigma of the phylogenetic and taxonomical position of the new genus.MethodsThe chloroplast DNA regions trnT–L and trnL–F intergenic spacers, as well as the trnL and rps16 introns were obtained from both species following the standard procedures described in Liede-Schumann et al. (2013). For vouchers and Genbank numbers, see Table 1. These new sequences were then added to “Metastelma DS1” of Liede-Schumann et al. (2014; M15210 in study 12788 of TreeBase (http://treebase.org/treebase-web/search/study/summary.html?id=12788 ), which was aimed to provide a taxonomically broad sampling of Asclepiadoideae with emphasis on New World taxa. The resulting dataset was analyzed with Bayesian Inference (BI) and Maximum Likelihood (ML) using the settings described in Liede-Schumann et al. (2014).PhylogenyPhylogenetic analysis confirmed the impression gained by morphological observation that the new genus does not fall into any of the described New World subtribes of Asclepiadeae. Instead, the two species form a fully supported monophyletic group, unresolved with Metastelmatinae and a likewise unresolved group of Tassadiinae-Gonolobinae-Oxypetalinae s.l. (including Funastrum) (Fig. 1). Thus, the two species not only constitute a good genus, but also represent an independent subclade within the Asclepiadeae phylogeny. Therefore, we here propose a new subtribe for this clade, increasing the number of New World subtribes in the MOOG lineage to eight. Of these eight subtribes, four are monogeneric. Of these, Topeinae with only two known species is the smallest, with Pentacyphinae counting three species (Meve & Liede-Schumann, 2015), Diplolepinae 14 species (Hechem et al., 2011), and Tassadiinae more than 30 species (Liede-Schumann, unpubl.).Taxonomic and nomenclatural treatmentTopeinae H. A. Keller & Liede, subtrib. nov. Typus: Topea H. A. KellerTwining plants with leaves oblong-lanceolate to lanceolate; basis deeply cordate to auriculate. Inflorescences sciadioidal (umbelliform), pendulous, present all the year. Corolla lobes with vibratile trichomes on the adaxial side. Gynostegial corona of five flattened, basally fused staminal lobes. Caudicles sigmoidal; each flank of the corpusculum basally extended into a hyaline appendix. Follicles solitary, pendulous, fusiform, with long pointed apex.Nomenclatural Type: Topea patens (H. A. Keller) H. A. KellerTopea H. A. Keller, nom. nov.: Aenigma H. A. Keller, Lilloa 54(1): 59, 2017, nom. illeg., non Enigma Weber-van Bosse (1932), Rhodophyceae.Type species: Topea patens (H. A. Keller) H. A. KellerTopea patens (H. A. Keller) H. A. Keller, comb. nov.: Aenigma patens H. A. Keller, Lilloa. 54(1): 60. 2017.Holotypus: H. A. Keller & L. J. Rojas 13539 (CTES).Table 1. Sequences newly obtained for this paper.Tabla 1. Nuevas secuencias recientemente obtenidas para este documento.Species Voucher trnT-L intergenic spacertrnL intron and trnL-F intergenic spacerrps16 intronTopea micrantha Keller & Rojas 13591 (CTES) LT960581 LT960579 LT960577Topea patens Keller & Rojas 13539 (CTES) LT960582 LT960580 LT960578135H. A. Keller & S. Liede-Schumann, Novedades filogenéticas y nomenclaturales en Asclepiadoideae Fig. 1. Posición de Topea patens y T. micrantha en la subfamilia Asclepiadoideae. (A excepción de estos dos taxones, este árbol es idéntico al de la Fig. 1 en Liede-Schumann et al. (2014; M15210 en el estudio 12788 de TreeBase). Las tribus reconocidas y las subtribus sin nuevas accesiones se condensan en los triángulos y las restringidas al Nuevo Mundo están sombreadas en gris. Los números indican Maximum Likelihood bootstrap support (BSML)/Bayesian Posterior Probability (PP), los grupos con BSML> 95 y PP = 1.0 se indican mediante líneas gruesas).Fig. 1. Position of Topea patens and T. micrantha in the subfamily Asclepiadoideae. Except for these two taxa, this tree is identical to Fig. 1 in Liede-Schumann et al. (2014; M15210 in study 12788 of TreeBase). Recognized tribes and subtribes without new accessions are summarized by triangles and those restricted to the New World are shaded grey. Numbers indicate Maximum Likelihood bootstrap support (BSML)/Bayesian Posterior Probability (PP); groups with BSML > 95 and PP = 1.0 are indicated by bold lines.136BONPLANDIA 26(2). 2017Topea micrantha (H. A. Keller) H. A. Keller, comb. nov.: Aenigma micrantha H. A. Keller, Lilloa 54(1): 64. 2017.Holotypus: H. A. Keller & L. J. Rojas 13591 (CTES).Etymology: The Guarani expression Topea mean “eyelash”; it was insinuated by an interlocutor Mbya Guaraní from Misiones Province when appreciating the vibratile trichomes of the corolla of Topea patens.BibliographyHECHEM, V., C. I. CALVIÑO & C. EZCURRA. 2011. Molecular phylogeny of Diplolepis (Apocynaceae-Asclepiadoideae) and allied genera, and taxonomic implications. Taxon 60: 638-648.KELLER, H. A. 2017. Aenigma, un género sudamericano de Apocynaceae (Asclepiadoideae) con tricomas vibrátiles en la corola. Lilloa 54: 58-73.LIEDE-SCHUMANN, S., A. RAPINI, D. J. GOYDER & M. W. CHASE. 2005. Phylogenetics of the New World subtribes of Asclepiadeae (Apocynaceae-Asclepiadoideae): Metastelmatinae, Oxypetalinae, and Gonolobinae. Syst. Bot. 30: 184-200.LIEDE-SCHUMANN, S. ,  M.  NIKOLAUS, U. C. SOARES E SILVA, A. RAPINI, R. D. MANGELSDORFF & U. MEVE. 2014. Phylogenetics and biogeography of the genus Metastelma (Apocynaceae-Asclepiadoideae-Asclepiadeae: Metastelmatinae). Syst. Bot. 39: 594-612.MEVE, U. & S. LIEDE-SCHUMANN. 2015. Taxonomy of the Andean genus Pentacyphus (Apocynaceae: Asclepiadeae–Pentacyphinae). Plant Syst. Evol. 301: 997-1004.RAPINI, A., M. W. CHASE, D. J. GOYDER & J. GRIFFITHS. 2003. Asclepiadeae classification: evaluating the phylogenetic relationships of New World Asclepiadoideae (Apocynaceae). Taxon 52: 33-50.WEBER-VAN BOSSE, A. 1932. Algues. Mém. Mus. Roy. Hist. Nat. Belgique, Hors Sér. 6(1): 27, V plates. Original recibido el 14 de octubre de 2017; aceptado el 12 de noviembre de 2017.

“El fin de un enigma”, una nueva subtribu y novedades nomenclaturales en Asclepiadeae (Apocynaceae: Asclepiadoideae)

LAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas

Se propone Topea H. A. Keller como nuevo nombre para el género Aenigma H. A. Keller (Apocynaceae) por prexistir un homónimo fonético. Además, sobre la base de estudios de filogenia molecular se describe dentro de la tribu Asclepiadeae a la nueva subtribu monogenérica Topeinae H. A. Keller &amp; Liede, endémica del Cono Sur de América del Sur.A new name, Topea H. A. Keller, is proposed for the genus Aenigma H. A. Keller (Apocynaceae) because there is a preexisting phonetic homonym. In addition, based on molecular phylogenetic studies, the new, monogeneric subtribe Topeinae H. A. Keller &amp; Liede, endemic to the southern cone of South America, is here described within the tribe Asclepiadeae

Keller, Héctor A.

Repositorio Institucional de la Universidad Nacional del Nordeste (RIUNNE)

The end of an enigma, new subtribe and nomenclatural novelties in Asclepiadeae (Apocynaceae : Asclepiadoideae)

Fil: Keller, Héctor A. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.Fil: Keller, Héctor A. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.Fil: Liede Schumann, Sigrid. University of Bayreuth. Department of Plant Systematics; Germany.Se propone Topea H. A. Keller como nuevo nombre para el género Aenigma H. A. Keller (Apocynaceae) por prexistir un homónimo fonético. Además, sobre la base de estudios de filogenia molecular se describe dentro de la tribu Asclepiadeae a la nueva subtribu monogenérica Topeinae H. A. Keller &amp; Liede, endémica del Cono Sur de América del Sur.A new name, Topea H. A. Keller, is proposed for the genus Aenigma H. A. Keller (Apocynaceae) because there is a preexisting phonetic homonym. In addition, based on molecular phylogenetic studies, the new, monogeneric subtribe Topeinae H. A. Keller &amp; Liede, endemic to the southern cone of South America, is here described within the tribe Asclepiadeae

133H. A. Keller & S. Liede-Schumann, Novedades filogenéticas y nomenclaturales en Asclepiadoideae IntroductionThe genus Aenigma  H. A. Keller (Apocynaceae: Asclepiadoideae), recently described on the basis of herbarium material collected in the north of Misiones Province (Argentina) and in the Dep. Amambay (Paraguay), consists of two species of twining plants that grow associated with wetlands in the subtropical forest (Keller, 2017). Aenigma, however, has been found to constitute an illegitimate generic name because it represents a phonetic homonym of a genus of red algae, Enigma Weber-van Bosse (1932). This circumstance, overlooked when describing Aenigma, requires to coin a new name for the genus and to establish two combinations for the species described under the genus up to the present.The pendent pollinia clearly identify the genus as a member of Asclepiadeae. Of this tribe, three major lineages are found in the Americas, Asclepias L. (Asclepiadinae), Cynanchum L. (Cynanchinae), and the Metastelmatinae-Orthosiinae-Oxypetalinae-Gonolobinae clade (MOOG-clade sensu Rapini et al., 2003; Liede-Schumann et al., 2005), comprising at present seven subtribes. The morphological discussion in Keller (2017) could clearly rule out Asclepiadinae BONPLANDIA 26(2): 133-136. 2017ISSN: 0524-0476 (impreso)ISSN 1853-8460 (digital)“THE END OF AN ENIGMA”, A NEW SUBTRIBE AND NOMENCLATURAL NOVELTIES IN ASCLEPIADEAE (APOCYNACEAE: ASCLEPIADOIDEAE)HÉCTOR A. KELLER1 & SIGRID LIEDE-SCHUMANN2Summary: Keller, H. A. & S. Liede-Schumann. 2017. “The end of an enigma”, new subtribe and nomenclatural novelties in Asclepiadeae (Apocynaceae: Asclepiadoideae). Bonplandia 26(2): 133-136. A new name, Topea H. A. Keller, is proposed for the genus Aenigma H. A. Keller (Apocynaceae) because there is a preexisting phonetic homonym. In addition, based on molecular phylogenetic studies, the new, monogeneric subtribe Topeinae H. A. Keller & Liede, endemic to the southern cone of South America, is here described within the tribe Asclepiadeae.Key words: Nomenclature, phylogeny, taxonomy, Topea, Topeinae.Resumen: Keller, H. A. & S. Liede-Schumann. 2017. “El fin de un enigma”, una nueva subtribu y novedades nomenclaturales en Asclepiadeae (Apocynaceae: Asclepiadoideae). Bonplandia 26(2): 133-136. Se propone Topea H. A. Keller como nuevo nombre para el género Aenigma H. A. Keller (Apocynaceae) por prexistir un homónimo fonético. Además, sobre la base de estudios de filogenia molecular se describe dentro de la tribu Asclepiadeae a la nueva subtribu monogenérica Topeinae H. A. Keller & Liede, endémica del Cono Sur de América del Sur.Palabras clave: Filogenia, nomenclatura, taxonomía, Topea, Topeinae. 1 Instituto de Botánica del Nordeste - CONICET, Casilla de Correo 209, 3400-Corrientes, Argentina. E-mail: hakeller2000@yahoo.com.ar2 Department of Plant Systematics, University of Bayreuth, 95440 Bayreuth, Germany.   E-mail: sigrid.liede@uni-bayreuth.dehttp://dx.doi.org/10.30972/bon.2622572134BONPLANDIA 26(2). 2017and Cynanchinae as subtribal affiliation, but did not allow to assign the genus to one of the subtribes of the MOOG clade with certainty. For this reason, molecular analyses were conducted to resolve the enigma of the phylogenetic and taxonomical position of the new genus.MethodsThe chloroplast DNA regions trnT–L and trnL–F intergenic spacers, as well as the trnL and rps16 introns were obtained from both species following the standard procedures described in Liede-Schumann et al. (2013). For vouchers and Genbank numbers, see Table 1. These new sequences were then added to “Metastelma DS1” of Liede-Schumann et al. (2014; M15210 in study 12788 of TreeBase (http://treebase.org/treebase-web/search/study/summary.html?id=12788 ), which was aimed to provide a taxonomically broad sampling of Asclepiadoideae with emphasis on New World taxa. The resulting dataset was analyzed with Bayesian Inference (BI) and Maximum Likelihood (ML) using the settings described in Liede-Schumann et al. (2014).PhylogenyPhylogenetic analysis confirmed the impression gained by morphological observation that the new genus does not fall into any of the described New World subtribes of Asclepiadeae. Instead, the two species form a fully supported monophyletic group, unresolved with Metastelmatinae and a likewise unresolved group of Tassadiinae-Gonolobinae-Oxypetalinae s.l. (including Funastrum) (Fig. 1). Thus, the two species not only constitute a good genus, but also represent an independent subclade within the Asclepiadeae phylogeny. Therefore, we here propose a new subtribe for this clade, increasing the number of New World subtribes in the MOOG lineage to eight. Of these eight subtribes, four are monogeneric. Of these, Topeinae with only two known species is the smallest, with Pentacyphinae counting three species (Meve & Liede-Schumann, 2015), Diplolepinae 14 species (Hechem et al., 2011), and Tassadiinae more than 30 species (Liede-Schumann, unpubl.).Taxonomic and nomenclatural treatmentTopeinae H. A. Keller & Liede, subtrib. nov. Typus: Topea H. A. KellerTwining plants with leaves oblong-lanceolate to lanceolate; basis deeply cordate to auriculate. Inflorescences sciadioidal (umbelliform), pendulous, present all the year. Corolla lobes with vibratile trichomes on the adaxial side. Gynostegial corona of five flattened, basally fused staminal lobes. Caudicles sigmoidal; each flank of the corpusculum basally extended into a hyaline appendix. Follicles solitary, pendulous, fusiform, with long pointed apex.Nomenclatural Type: Topea patens (H. A. Keller) H. A. KellerTopea H. A. Keller, nom. nov.: Aenigma H. A. Keller, Lilloa 54(1): 59, 2017, nom. illeg., non Enigma Weber-van Bosse (1932), Rhodophyceae.Type species: Topea patens (H. A. Keller) H. A. KellerTopea patens (H. A. Keller) H. A. Keller, comb. nov.: Aenigma patens H. A. Keller, Lilloa. 54(1): 60. 2017.Holotypus: H. A. Keller & L. J. Rojas 13539 (CTES).Table 1. Sequences newly obtained for this paper.Tabla 1. Nuevas secuencias recientemente obtenidas para este documento.Species Voucher trnT-L intergenic spacertrnL intron and trnL-F intergenic spacerrps16 intronTopea micrantha Keller & Rojas 13591 (CTES) LT960581 LT960579 LT960577Topea patens Keller & Rojas 13539 (CTES) LT960582 LT960580 LT960578135H. A. Keller & S. Liede-Schumann, Novedades filogenéticas y nomenclaturales en Asclepiadoideae Fig. 1. Posición de Topea patens y T. micrantha en la subfamilia Asclepiadoideae. (A excepción de estos dos taxones, este árbol es idéntico al de la Fig. 1 en Liede-Schumann et al. (2014; M15210 en el estudio 12788 de TreeBase). Las tribus reconocidas y las subtribus sin nuevas accesiones se condensan en los triángulos y las restringidas al Nuevo Mundo están sombreadas en gris. Los números indican Maximum Likelihood bootstrap support (BSML)/Bayesian Posterior Probability (PP), los grupos con BSML> 95 y PP = 1.0 se indican mediante líneas gruesas).Fig. 1. Position of Topea patens and T. micrantha in the subfamily Asclepiadoideae. Except for these two taxa, this tree is identical to Fig. 1 in Liede-Schumann et al. (2014; M15210 in study 12788 of TreeBase). Recognized tribes and subtribes without new accessions are summarized by triangles and those restricted to the New World are shaded grey. Numbers indicate Maximum Likelihood bootstrap support (BSML)/Bayesian Posterior Probability (PP); groups with BSML > 95 and PP = 1.0 are indicated by bold lines.136BONPLANDIA 26(2). 2017Topea micrantha (H. A. Keller) H. A. Keller, comb. nov.: Aenigma micrantha H. A. Keller, Lilloa 54(1): 64. 2017.Holotypus: H. A. Keller & L. J. Rojas 13591 (CTES).Etymology: The Guarani expression Topea mean “eyelash”; it was insinuated by an interlocutor Mbya Guaraní from Misiones Province when appreciating the vibratile trichomes of the corolla of Topea patens.BibliographyHECHEM, V., C. I. CALVIÑO & C. EZCURRA. 2011. Molecular phylogeny of Diplolepis (Apocynaceae-Asclepiadoideae) and allied genera, and taxonomic implications. Taxon 60: 638-648.KELLER, H. A. 2017. Aenigma, un género sudamericano de Apocynaceae (Asclepiadoideae) con tricomas vibrátiles en la corola. Lilloa 54: 58-73.LIEDE-SCHUMANN, S., A. RAPINI, D. J. GOYDER & M. W. CHASE. 2005. Phylogenetics of the New World subtribes of Asclepiadeae (Apocynaceae-Asclepiadoideae): Metastelmatinae, Oxypetalinae, and Gonolobinae. Syst. Bot. 30: 184-200.LIEDE-SCHUMANN, S. ,  M.  NIKOLAUS, U. C. SOARES E SILVA, A. RAPINI, R. D. MANGELSDORFF & U. MEVE. 2014. Phylogenetics and biogeography of the genus Metastelma (Apocynaceae-Asclepiadoideae-Asclepiadeae: Metastelmatinae). Syst. Bot. 39: 594-612.MEVE, U. & S. LIEDE-SCHUMANN. 2015. Taxonomy of the Andean genus Pentacyphus (Apocynaceae: Asclepiadeae–Pentacyphinae). Plant Syst. Evol. 301: 997-1004.RAPINI, A., M. W. CHASE, D. J. GOYDER & J. GRIFFITHS. 2003. Asclepiadeae classification: evaluating the phylogenetic relationships of New World Asclepiadoideae (Apocynaceae). Taxon 52: 33-50.WEBER-VAN BOSSE, A. 1932. Algues. Mém. Mus. Roy. Hist. Nat. Belgique, Hors Sér. 6(1): 27, V plates. Original recibido el 14 de octubre de 2017; aceptado el 12 de noviembre de 2017.

Spanish

A new name, Topea H. A. Keller, is proposed for the genus Aenigma H. A. Keller (Apocynaceae) because there is a preexisting phonetic homonym. In addition, based on molecular phylogenetic studies, the new, monogeneric subtribe Topeinae H. A. Keller &amp; Liede, endemic to the southern cone of South America, is here described within the tribe AsclepiadeaeSe propone Topea H. A. Keller como nuevo nombre para el género Aenigma H. A. Keller (Apocynaceae) por prexistir un homónimo fonético. Además, sobre la base de estudios de filogenia molecular se describe dentro de la tribu Asclepiadeae a la nueva subtribu monogenérica Topeinae H. A. Keller &amp; Liede, endémica del Cono Sur de América del Su

Liede-Schumann, Sigrid

Revistas UNNE (Universidad Nacional del Nordeste, Argentina)

&lt;span&gt;Se propone Topea H. A. Keller como nuevo nombre para el género Aenigma H. A. Keller (Apocynaceae) por prexistir un homónimo fonético. Además, sobre la base de estudios de filogenia molecular se describe dentro de la tribu Asclepiadeae a la nueva subtribu monogenérica Topeinae H. A. Keller &amp;amp; Liede, endémica del Cono Sur de América del Sur&lt;/span&gt;</jats:p

Héctor A. Keller

Sigrid Liede-Schumann

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https://ri.conicet.gov.ar/bitstream/11336/43589/2/CONICET_Digital_Nro.5942c640-045c-4f99-b566-f9f75d6d9dfb_A.pdf

“El fin de un enigma”, una nueva subtribu y novedades nomenclaturales en Asclepiadeae (Apocynaceae: Asclepiadoideae)

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Repositorio Institucional de la Universidad Nacional del Nordeste (RIUNNE)

LAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas

Revistas UNNE (Universidad Nacional del Nordeste, Argentina)

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