W. M. Whitten

Publications70
h-index30
Citations3,308
Highly Influential Citations265
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A phylogenetic analysis of the Orchidaceae: evidence from rbcL nucleotide.
TLDR
Cladistic parsimony analyses of rbcL nucleotide sequence data from 171 taxa representing nearly all tribes and subtribes of Orchidaceae are presented here. Expand
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Phylogeny of the eudicots : a nearly complete familial analysis based on rbcL gene sequences
A phylogenetic analysis of 589 plastid rbcL gene sequences representing nearly all eudicot families (a total of 308 families; seven photosynthetic and four parasitic families are missing) was… Expand
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Orchid phylogenomics and multiple drivers of their extraordinary diversification
Orchids are the most diverse family of angiosperms, with over 25 000 species, more than mammals, birds and reptiles combined. Tests of hypotheses to account for such diversity have been stymied by… Expand
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ORCHID FLORAL FRAGRANCES AND MALE EUGLOSSINE BEES: METHODS AND ADVANCES IN THE LAST SESQUIDECADE
All species of the Neotropical subtribes Stanhopeinae and Catasetinae (Orchi daceae) are pollinated exclusively by male euglossine bees which are attracted to and collect the floral fragrances. The… Expand
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Evolution along the crassulacean acid metabolism continuum
Crassulaceanacid metabolism(CAM) isaspecialised modeof photosynthesisthat improves atmospheric CO2 assimilationinwater-limited terrestrial andepiphytichabitatsandinCO2-limited aquatic… Expand
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Floral convergence in Oncidiinae (Cymbidieae; Orchidaceae): an expanded concept of Gomesa and a new genus Nohawilliamsia.
BACKGROUND Floral morphology, particularly the angle of lip attachment to the column, has historically been the fundamental character used in establishing generic limits in subtribe Oncidiinae… Expand
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Fragrance Collection, Storage, and Accumulation by Individual Male Orchid Bees
Individually marked males of two species of Euglossa were sighted repeatedly and over considerable periods of time (up to 44 days) at artificial fragrance baits exposed on Barro Colorado Island… Expand
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Generic realignments in Maxillariinae (Orchidaceae)
A recent phylogenetic analysis of four DNA regions for ca. 354 species of core Maxillariinae strongly indicate that the genus Maxillaria, as traditionally circumscribed, is grossly polyphyletic. We… Expand
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Subtribal and generic relationships of Maxillarieae (Orchidaceae) with emphasis on Stanhopeinae: combined molecular evidence.
The monophyly of and phylogenetic relationships within the orchid tribe Maxillarieae Pfitzer were evaluated using parsimony analyses of combined nuclear ribosomal and plastid DNA sequence data of ITS… Expand
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Molecular phylogenetics of Vandeae (Orchidaceae) and the evolution of leaflessness.
Members of tribe Vandeae (Orchidaceae) form a large, pantropical clade of horticulturally important epiphytes. Monopodial leafless members of Vandeae have undergone extreme reduction in habit and… Expand
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