×Cyclobotrya: A new hybrid genus between Cyclodium and Polybotrya (Dryopteridaceae) from the Brazilian Amazon

Engels, Mathias Erich; Canestraro, Bianca Kalinowski

doi:10.1007/s12228-017-9468-2

Cited by 15 publications

(14 citation statements)

References 10 publications

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“…Due to the increase in deforestation in the Mato Grosso state on the last years in areas of Legal Amazon (INPE 2020), the knowledge gaps in Amazon biome, the lack of funding for collecting projects and longterm storage of the resulting reference collections (Zappi et al 2016), it is likely that its biodiversity is underestimate. This has been demonstrated by the amount of recent studies describing new taxa (e.g., Petini-Benelli and Soares-Lopes 2015; Engels et al 2016;Pellegrini et al 2016;Pessoa et al 2016;Daly 2017;Engels and Canestraro 2017;Labiak et al 2018;Martins et al 2018;Engels et al 2019;Koch et al 2019;Sagella and Calonje 2019;Bohn et al 2020;Silva et al 2020) and showing new distribution records (e.g., Zappi et al 2011;Moura 2016;Zappi et al 2016;Ferneda Rocha and Engels 2017;Engels and Marinho 2018;. Thereby, the description of this new species contributes and expands the floristic knowledge from northern Mato Grosso State, in the south edge of Brazilian Amazon, an area that still below its real richness and diversity.…”

Section: Resultsmentioning

confidence: 61%

A new species of Mormodes (Orchidaceae: Catasetinae) from southern Amazon, Brazil

Engels¹,

Rocha²,

Smidt

2020

Braz. J. Bot

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Mormodes matogrossensis, a new epiphytic orchid species is described and illustrated from the Floresta Estacional Sempre Verde along the Teles Pires River in southern Brazilian Amazon. This species belongs to M. sect. Mormodes and is similar to M. vinacea and M. paraënsis but differs by the lip lanceolate-trullate with basal lateral lobes, which are rounded and inconspicuously obtuse. We provided description, taxonomic and ecological comments, state of conservation, geographic distribution map, illustrations of the new species.

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Section: Resultsmentioning

confidence: 61%

A new species of Mormodes (Orchidaceae: Catasetinae) from southern Amazon, Brazil

Engels¹,

Rocha²,

Smidt

2020

Braz. J. Bot

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“…The presence of the irregularly scattered sori could be related to a hybrid origin, perhaps even an intergeneric one -events that are not rare among ferns (e.g. Rothfels et al, 2015;Engels & Canestraro, 2017). Alternatively, the hypothesis raised by Salino et al (2008)…”

Section: Possible Issues With Species Circumscriptionsmentioning

confidence: 99%

Insights on long-distance dispersal, ecological and morphological evolution in the fern genusMicrogrammafrom phylogenetic inferences

Almeida

Salino²,

Dubuisson

et al. 2020

Preprint

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The epiphytic fern genus Microgramma (Polypodiaceae) comprises 30 species occurring mainly in the Neotropics with one species in Africa, being an example of trans-Atlantic disjunction. Morphologically and ecologically, Microgramma presents a wide variation that is not seen in its closest related genera. Recent works changed the circumscription of Microgramma to better conform with phylogenetic evidence, but no comprehensively sampled study has addressed the evolution of this lineage. This study aimed to investigate phylogenetic relationships, ecological and morphological evolution within Microgramma, as well as test the role of long-distant dispersal in the history of the genus. Sequences from five plastid regions were used to infer the phylogenetic relationships and estimate divergence times. Our results show five clades in Microgramma that do not corroborate any infrageneric classification system proposed. Several morphological traits seem to be homoplastic, such as leaf dimorphism. Tuber-like myrmecodomatia are suggested to be synapomorphic for one clade, although ant-plant association appears in two distinct lineages. Microgramma lycopodioides and M. mauritiana are not closely related, with the African species nested within an Atlantic Forest clade, indicating a long-distance dispersal event estimated to have occurred around 15 Ma from South America to Africa, followed by speciation.

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“…Recently, two intergeneric hybrids involving this species were described: one from the southern Amazon, with Polybotrya goyazensis Brade (×Cyclobotrya telespiren sis Engels & Canestraro) (Engels & Canestraro 2017), and another from the state of Ceará, with P. osmundacea Humb. & Bonpl.…”

Section: Cyclodium Inerme (Féementioning

confidence: 99%

“…Hybridization seems to be common in Cyclodium. Besides some intrageneric hybrids reported by Smith (1986), there are two intergeneric hybrids recently described from Brazil, each involving a cross of C. meni scioides with different species of Polybotrya (Engels & Canestraro 2017;Schwartsburd & al. 2018).…”

Section: Introductionmentioning

confidence: 99%

Taxonomy, distribution and conservation status of the fern genus Cyclodium (Dryopteridaceae)

2020

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×Cyclobotrya: A new hybrid genus between Cyclodium and Polybotrya (Dryopteridaceae) from the Brazilian Amazon

Cited by 15 publications

References 10 publications

A new species of Mormodes (Orchidaceae: Catasetinae) from southern Amazon, Brazil

A new species of Mormodes (Orchidaceae: Catasetinae) from southern Amazon, Brazil

Insights on long-distance dispersal, ecological and morphological evolution in the fern genusMicrogrammafrom phylogenetic inferences

Taxonomy, distribution and conservation status of the fern genus Cyclodium (Dryopteridaceae)

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