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Effect of Pollination Success on Floral Longevity in the Orchid Calypso bulbosa (Orchidaceae)
Download1995
The lifespan of an individual flower is often affected by pollination success. Species differ regarding whether male function (pollen removal), female function (pollen deposition), or both trigger floral senescence. We studied senescence in the single- flowered, deceptive orchid Calypso bulbosa...
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Molecular phylogeny, historical biogeography, and divergence time estimates for swallowtail butterflies of the genus Papilio (Lepidoptera: Papilionidae)
Download2004
Sperling, F.A.H., Zakharov, E.V., Caterino, M.S.
Swallowtail butterflies are recognized as model organisms in ecology, evolutionary biology, genetics, and conservation biology but present numerous unresolved phylogenetic problems. We inferred phylogenetic relationships for 51 of about 205 species of the genus Papilio (sensu lato) from...