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Costs and benefits of the mixed-mating system of narcissus serotinus (amaryllidaceae) in the conservation of small fragmented populations
ArticleAbstract: Small fragmented populations often exhibit reduced plant-pollinator interactions and scarce outcrossPalabras claves:fragmentation, Human disturbance, inbreeding depression, Mixed-mating system, SelfingAutores:D. Draper, David Draper, Iriondo J.M., Isabel MarquesFuentes:rraaescopusPollination activity affects selection on floral longevity in the autumnal-flowering plant, Narcissus serotinus L.
ArticleAbstract: Flower longevity, the period of time that a flower remains open, is a crucial factor in plant reprodPalabras claves:autumnal pollination, flower longevity, narcissus serotinus, pollen limitation, reproductive fitnessAutores:D. Draper, I MarquézFuentes:rraaeStrong postzygotic isolation prevents introgression between two hybridizing Neotropical orchids, Epidendrum denticulatum and E. fulgens
ArticleAbstract: Studies on hybrid zones are essential to understand the origin and evolution of reproductive barrierPalabras claves:Environmental envelope models, Hybridization meiotic behavior, Orchidaceae, Reproductive isolation, speciationAutores:A Moraes, Abrão M.C.R., Cardoso-Gustavson P., D. Draper, David Draper, F. Pinheiro, Guimarães L.R.S., M Abr�o, Moraes A.P., P. Cardoso-Gustavson, Pinheiro F., R. Guimarães, R. Suzuki, Suzuki R.M.Fuentes:rraaescopus