Phylogeny of the tribe Marsdenieae (Apocynaceae), reinstatement of Ruehssia and the taxonomic treatment of the genus in Brazil

Santo, Fabio da Silva do Espírito; Rapini, Alessandro; Ribeiro, Patrícia Luz; Liede‐Schumann, Sigrid; Goyder, D. J.; Fontella‐Pereira, Jorge

doi:10.1007/s12225-019-9807-4

Cited by 22 publications

(32 citation statements)

References 38 publications

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“…The 110-taxon analysis (Fig. 3) is completely congruent with the tribal-level topology published by Meve & Liede (2004) Santo & al. 2019).…”

Section: Discussionsupporting

confidence: 85%

“…Sampling Matrix 1 (110 taxa) -To test the position of the Hoya group and Oreosparte within Marsdenieae, we modified the trnTL spacer, trnL intron, trnLF spacer dataset of Meve & Liede (2004), which includes the largest generic sample of Marsdenieae published to date (9 of 27 currently recognized genera; Endress & al. 2019;Espírito Santo & al. 2019).…”

Section: Methodsmentioning

confidence: 99%

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Phylogenetic studies in the Hoya group (Apocynaceae, Marsdenieae): the position of Anatropanthus and Oreosparte

Rodda

Simonsson

Ercole³

et al. 2020

Willdenowia

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“…The 110-taxon analysis (Fig. 3) is completely congruent with the tribal-level topology published by Meve & Liede (2004) Santo & al. 2019).…”

Section: Discussionsupporting

confidence: 85%

Section: Methodsmentioning

confidence: 99%

Phylogenetic studies in the Hoya group (Apocynaceae, Marsdenieae): the position of Anatropanthus and Oreosparte

Rodda

Simonsson

Ercole³

et al. 2020

Willdenowia

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“…Marsdenia is considered pantropical, with some 30 Reuss & al. : Ruehssia in Cuba 130 species occurring in the New World (Espírito Santo & al. 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Instead, the Antillean species analysed form a single, well-supported subclade, whereas Rothe (1915) spread the Cuban species alone over four of his nine sections. Molecular studies (Espírito Santo & al. 2019;Liede-Schumann & al.…”

Section: Introductionmentioning

confidence: 99%

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Transfer of Cuban Marsdenia to Ruehssia (Apocynaceae–Asclepiadoideae), and two new species in Ruehssia

et al. 2020

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Phylogeny of Marsdenieae (Apocynaceae, Asclepiadoideae) based on chloroplast and nuclear loci, with a conspectus of the genera

Liede‐Schumann

Reuss

Meve

et al. 2022

TAXON

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A densely sampled molecular phylogeny of the pantropical, predominantly forest‐dwelling tribe Marsdenieae (Apocynaceae) is presented, including almost a quarter of the ca. 740 species. Sampling focused on resolving the circumscription of Marsdenia, which ranges from Marsdenia sensu Bullock with less than 10 Asian species closely related to the type, M. tinctoria, to Marsdenia sensu Forster, with ca. 300 species distributed throughout the range of the tribe, encompassing the genera Cionura, Dregea, Gongronema, Gymnema, Leichhardtia, Stephanotis, and Wattakaka as synonyms. All analyses resolve two well‐supported clades: an Asia‐Pacific Clade that includes the large epiphytic Dischidia‐Hoya alliance and a number of Marsdenia species, among them the type M. tinctoria, and a Cosmopolitan Clade that includes most of the rest of Marsdenieae with several moderately to well‐supported subclades that span the entire geographic range of Marsdenieae. The position of two small genera, Rhyssolobium (southern Africa) and Sicyocarpus (Madagascar), is ambiguous. Given this topology, a monophyletic Marsdenia s.l. would subsume all species of Marsdenieae. Instead, we propose a classification that maintains Dischidia and Hoya as distinct genera. We revise generic circumscriptions, reducing Marsdenia s.str. to a small clade of Asian species. Two new genera, Gongreos gen. nov. and Gongronemopsis gen. nov., are described, with two and nine species, respectively. A total of twenty‐six new combinations, one new name, and six new synonyms are proposed. Three neotypes and eleven lectotypes are selected, and one 2nd step lectotypification is carried out. Diagnostic morphological characters for identified clades are discussed. Biogeographic analysis retrieves tropical Asia as most likely ancestral area for Marsdenieae, with widespread tropical Asia‐Africa almost equally likely. The first‐branching lineages in both major clades are tropical Asian; the Asia‐Pacific Clade comprises a sizeable radiation in the Pacific area, with two dispersals from Australia to New Caledonia. The Cosmopolitan Clade comprises several genera (Gongronemopsis, Gymnema, Stephanotis, Telosma) widespread in Africa and tropical Asia, and some also in Madagascar, and the New World genus Ruehssia.

show abstract

Phylogeny of the tribe Marsdenieae (Apocynaceae), reinstatement of Ruehssia and the taxonomic treatment of the genus in Brazil

Cited by 22 publications

References 38 publications

Phylogenetic studies in the Hoya group (Apocynaceae, Marsdenieae): the position of Anatropanthus and Oreosparte

Phylogenetic studies in the Hoya group (Apocynaceae, Marsdenieae): the position of Anatropanthus and Oreosparte

Transfer of Cuban Marsdenia to Ruehssia (Apocynaceae–Asclepiadoideae), and two new species in Ruehssia

Phylogeny of Marsdenieae (Apocynaceae, Asclepiadoideae) based on chloroplast and nuclear loci, with a conspectus of the genera

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