Do pollen thieves and nectar robbers reduce flower attractiveness to bumblebee pollinators in Impatiens oxyanthera?
Male flowers of Aconitum protect their pollen by adding alkaloids. Without pollen as a reward, botanists asked how the flower compensated pollinators.
The longer a plant waits to self-pollinate, the longer it has to attract pollen from outside. But waiting too long can have consequences.
Ramírez and Hokche evaluated the breeding system, sexual system, dichogamy and herkogamy of herbaceous-shrubby communities from the Gran Sabana Plateau, Venezuela
Platycarya strobilacea (Juglandaceae) is heterodichogamous – based on observations of inflorescence architecture, sexual expression and pollination biology.
Parnassia epunctulata, a herb with generalized pollination, which exhibits sequential stamen movement.
Establishment of plant populations in novel environments may generate shifts in floral traits and plant mating systems.