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Life History Evolution and Genome Size in Subtribe Oncidiinae (Orchidaceae) [PDF]

open access: yesAnnals of Botany, 2005
Within Oncidiinae, there are several groups of species that are effectively annuals, and we wished to see if these species had smaller genome sizes than average for the subtribe.Fifty-four genome size estimates (50 of which are new) for species in subtribe Oncidiinae (Orchidaceae) were examined for the first time in a phylogenetic context to evaluate ...
Mark W Chase   +2 more
exaly   +3 more sources
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A synopsis of Cohniella (Orchidaceae, Oncidiinae)

Brittonia, 2010
A synopsis of the genus Cohniella is presented with nomenclatural updates with a discusion of diagnostic features and biogeographical data. Thirteen species and one natural hybrid are recognized. Two new species, Cohniella pendula and Cohniella biorbicularis, are described and illustrated.
German Carnevali Fernández-Concha   +3 more
openaire   +1 more source

Further taxonomic transfers in Oncidiinae (Orchidaceae)

Phytotaxa, 2011
To bring species nomenclature for Oncidiinae in line with a comprehensive phylogentic study based on multiple DNA sequences and patterns of morphological variation, we present additional name transfers: (i) Ada, Brachtia, and Mesospinidium into Brassia and (ii) Pachyphyllum and Raycadenco into Fernandezia.
Chase, M. W., Whitten, W. M.
openaire   +2 more sources

Validating a Peruvian Scelochilus (Orchidaceae: Oncidiinae)

Brittonia, 1998
Scelochilus crucicornibus, which had been mentioned in the literature as a nomen nudum, is described and illustrated.
Karlheinz Senghas   +2 more
openaire   +1 more source

Capanemia (Oncidiinae): an orchid genus revised and simplified

Plant Systematics and Evolution, 2020
A taxonomic revision of Capanemia (Orchidaceae) was completed after morphological, nomenclatural and phylogenetic studies. Our analyses do not support the infrageneric classification (Capanemia sect. Capanemia and Capanemia sect. Planifolia) proposed by Pabst in the seventies and recovered Sanderella as the sister group of Capanemia, albeit with low ...
Cristiano Roberto Buzatto   +4 more
openaire   +1 more source

Seed Morphology in the Oncidiinae and Related Subtribes (Orchidaceae)

Systematic Botany, 1988
A survey of seed morphology, using scanning electron microscopy, of the Oncidiinae and related Neotropical subtribes found that the majority of these taxa exhibit a uniform seed condition, designated the Maxillaria type. The two major variants within the Oncidiinae are anticlinal wall ornamentation and two different forms of extensions of the testa ...
Mark W. Chase, Jeffrey S. Pippen
openaire   +1 more source

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