Reproductive biology and selection of floral attractiveness traits by legitimate and illegitimate visitors in the narrow endemic Collaea cipoensis (Fabaceae)

.......................................................................................................................................7 Resumo .........................................................................................................................................8 CAPÍTULO 1.................................................................................................................................9 Introduction ...................................................................................................................................9 Material and methods .................................................................................................................10 Species and study site .......................................................................................................10 Flower development and reproductive biology ................................................................11 Floral visitors........................................................................................12 Results.............................................................................................................12 Flower development and reproductive biology .................................................12 Floral visitors.........................................................................................14 Discussion....................................................................................................21 Acknowledgements..........................................................................................23 References....................................................................................................23 CAPÍTULO 2 ...............................................................................................30 Introduction..................................................................................................30 Material and methods......................................................................................32 Species and study area..............................................................................32 Floral visitors.........................................................................................32 Floral attractiveness.................................................................................33 Female fitness components.........................................................................33 Statistical analysis...................................................................................34 Phenotypic selection................................................................................36 Results.........................................................................................................36 Floral visitors.........................................................................................36 Floral attractiveness and components of female fitness........................................40 Phenotypic selection................................................................................43 Discussion....................................................................................................46 Acknowledgements.........................................................................................49 References....................................................................................................49 Appendix......................................................................................................55