Plant NectarPollenPollen TubePollinationFlowersBeesHoneyAngiospermsOrchidaceaeRhinitis, Allergic, SeasonalLiliumHeliconiaceaeBetulaGentianaceaeBignoniaceaeAllergensFeeding BehaviorRubiaceaeReproductionAntigens, PlantAmbrosiaPlant ProteinsHelleborusAcaciaCupressusAquilegiaAntsIpomoeaCryptomeriaInsectsParakeetsBirdsPetuniaTreesGerminationAnanasSympatryOvuleSeedsCarbohydratesPlant InfertilitySelf-Incompatibility in Flowering PlantsPlant ExudatesGymnospermsAlnusOleaRanunculaceaeEuphorbiaceaeGeraniumCucurbitaTabebuiaMeteorological ConceptsEchiumArabidopsisMimulusPoaceaeViolaChiropteraCedrusGene Expression Regulation, PlantPapaverCorydalisPlantsSucroseGametogenesis, PlantMetschnikowiaFagopyrumMauritaniaDaturaErythrinaImmunoglobulin ESeasonsBetulaceaeYeastsButterfliesPrimulaMarantaceaeArabidopsis ProteinsCupressaceaeParrotsPlants, Genetically ModifiedPlant Physiological PhenomenaBenzyl AlcoholEucalyptusFructoseBehavior, AnimalCordiaTobaccoPhleumSelf-FertilizationGerm Cells, PlantHypersensitivityGenes, Plant