Evolution · 1981 · 68 citations · 0 references
Life SciencesPlant BiologyPlant SciencesPlant AnatomyPlant Reproductive BiologyPollination EcologyPollen BiologyPollen DevelopmentPollen GerminationPollen MorphologyPollen ProductionPollination BiologyPollen Size AnalysisPollen Size EffectsPollen Size MeasurementPollen Size VariationPollination AnatomyPollination Efficiency