Generic recircumscriptions of Oncidiinae (Orchidaceae: Cymbidieae) based on maximum likelihood analysis of combined DNA datasets

Neubig, Kurt M.; Whitten, W. Mark; Williams, Norris H.; Blanco, Mario A.; Endara, Lorena; Burleigh, J. Gordon; Silvera, Katia; Cushman, John C.; Chase, Mark W.

doi:10.1111/j.1095-8339.2011.01194.x

Cited by 95 publications

(147 citation statements)

References 55 publications

(59 reference statements)

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“…The latter is sister to the pair Fernandezia-Pachyphyllum, which are sisters to each other. On the other hand, the tree provided by Neubig et al (2012;Fig. 2) contains 17 taxa of Pachyphyllineae (sensu Chase and Whitten 2011), seven of which remains unidentified on the species level. Also here, Raycadenco is sister to all other Pachyphyllineae taxa.…”

Section: Discussionmentioning

confidence: 99%

Notes on Pachyphyllinae (Vandoideae, Orchidaceae) with a description of a new genus

Kolanowska

Szlachetko

2014

Plant Syst Evol

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The Neotropical subtribe Pachyphyllinae comprises orchids distributed mainly along the Andes and characterized by the monopodial type of growth. The systematic position of this taxon within Orchidaceae and its generic composition was intensively discussed, but so far no comprehensive morphological study on the group was conducted. In this paper the morphological descriptions of all genera included in Pachyphyllinae are provided and the key to their identification is presented. In addition, the taxonomic position of Raycadenco is discussed. The research revealed the existence of two distinctive species which were classified until now within Pachyphyllum or Fernandezia. Since neither the flower morphology of those two species nor the gynostemium structure fulfils the concept of any known orchid taxon, the new genus is described here under the name Valdiviesoa. The two representatives of the new taxon are illustrated and the photographs of the plants are provided. The information about their distribution and ecology are provided. The morphological characters of all Pachyphyllinae representatives are compared.

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Section: Discussionmentioning

confidence: 99%

Notes on Pachyphyllinae (Vandoideae, Orchidaceae) with a description of a new genus

Kolanowska

Szlachetko

2014

Plant Syst Evol

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“…Species identification, taxonomic updating and classification were based on pertinent literature (Rodrigues, 1877(Rodrigues, , 1882Congniaux, 1893Congniaux, -1896Congniaux, , 1898Congniaux, -1902Congniaux, , 1904Congniaux, , 1905Congniaux, , 1906Hoehne, 1949;Dungs, 1975, 1977;Dunsterville and Garay, 1959, 1961, 1965, 1972Rodrigues et al, 1996;Chase et al, 2003;Neubig et al, 2012), as well as by the collaboration of experts in taxonomy of Orchidaceae.…”

Section: Methodsmentioning

confidence: 99%

“…This heterogeneous group has a broad morphological diversity of floral and vegetative structures (Chase et al, 2003;Neubig et al, 2012) and the widest range of chromosomes numbers known for Orchidaceae, with a noticeable variation in genome size (Chase et al, 2005;Neubig et al, 2012). The species inhabit different environments and, hence, have a great diversification of pollination systems (Dressler, 1993;Papadopulos et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

“…The species inhabit different environments and, hence, have a great diversification of pollination systems (Dressler, 1993;Papadopulos et al, 2013). Neotropical forests are usually rich in Oncidiineae species, which grow from the sea level to almost 4000 m.s.m, in the Andean mountain chain (Dressler, 1993;Chase et al, 2003;Neubig et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

“…(Chase et al, 2009;Penha and Catharino 2010). A single species, Oncidium baueri Lindl., remains in the Brazilian flora , following Chase et al (2009) sensu stricto circumscription of Oncidium (Neubig et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

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Oncidiinae (Orchidaceae) on the great curve of the Xingu River, Pará state, Brazil

Koch

Viana

et al. 2015

Braz. J. Biol.

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Among the studies on Orchidaceae in the Amazon, none comprised the region of the Great Curve of the Xingu River, located in the lower Xingu river. The aim of this study was to inventory and taxonomically study the species of Oncidiinae (Orchidaceae) in the Great Curve of the Xingu River, Pará state. The floristic survey was performed in the area of the Belo Monte hydroelectric plant, in the Vitória do Xingu municipality, centrally inserted in the called Great Curve of the Xingu River. Botanical collections were accomplished between June 2011 and December 2013. A total of 27 species of Oncidiinae, distributed in 15 genera, was inventoried in the study area. Notylia Lindl. and Trichocentrum Poepp. & Endl. were the richest genera, with five and four species, respectively, followed by Erycina Lindl., Ionopsis Kunth, Lockhartia Hook., Macradenia R.Br., and Ornithocephalus Hook., with two species each. The remaining eight genera are represented by a single species each in the study area. Morphological descriptions, a key for taxonomic identification, illustrations, and comments on distribution, ecology, phenology and morphology are provided for all inventoried species.

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Hundreds of nuclear and plastid loci yield novel insights into orchid relationships

Pérez‐Escobar

Dodsworth

Bogarín

et al. 2021

American J of Botany

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The inference of evolutionary relationships in the species-rich family Orchidaceae has hitherto relied heavily on plastid DNA sequences and limited taxon sampling. Previous studies have provided a robust plastid phylogenetic framework, which was used to classify orchids and investigate the drivers of orchid diversification. However, the extent to which phylogenetic inference based on the plastid genome is congruent with the nuclear genome has been only poorly assessed. METHODS:We inferred higher-level phylogenetic relationships of orchids based on likelihood and ASTRAL analyses of 294 low-copy nuclear genes sequenced using the Angiosperms353 universal probe set for 75 species (representing 69 genera, 16 tribes, 24 subtribes) and a concatenated analysis of 78 plastid genes for 264 species (117 genera, 18 tribes, 28 subtribes). We compared phylogenetic informativeness and support for the nuclear and plastid phylogenetic hypotheses.RESULTS: Phylogenetic inference using nuclear data sets provides well-supported orchid relationships that are highly congruent between analyses. Comparisons of nuclear gene trees and a plastid supermatrix tree showed that the trees are mostly congruent, but revealed instances of strongly supported phylogenetic incongruence in both shallow and deep time. The phylogenetic informativeness of individual Angiosperms353 genes is in general better than that of most plastid genes. CONCLUSIONS:Our study provides the first robust nuclear phylogenomic framework for Orchidaceae and an assessment of intragenomic nuclear discordance, plastid-nuclear tree incongruence, and phylogenetic informativeness across the family. Our results also demonstrate what has long been known but rarely thoroughly documented: nuclear and plastid phylogenetic trees can contain strongly supported discordances, and this incongruence must be reconciled prior to interpretation in evolutionary studies, such as taxonomy, biogeography, and character evolution.

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Generic recircumscriptions of Oncidiinae (Orchidaceae: Cymbidieae) based on maximum likelihood analysis of combined DNA datasets

Cited by 95 publications

References 55 publications

Notes on Pachyphyllinae (Vandoideae, Orchidaceae) with a description of a new genus

Notes on Pachyphyllinae (Vandoideae, Orchidaceae) with a description of a new genus

Oncidiinae (Orchidaceae) on the great curve of the Xingu River, Pará state, Brazil

Hundreds of nuclear and plastid loci yield novel insights into orchid relationships

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