Gustavia augusta with numerous trigonid bees taking pollen
from the poricidal anthers. These bees do not pollinate this species
as they fill their pollen baskets from a single flower and return
directly to their nest.
A medial section of the androecium of Gustavia hexapetala.
Note that all stamens are equal and that all anthers produce the
same kind of pollen. Although not shown here, the anthers are
poricidal and the flowers are visited by buzz-pollinating bees.
Gustavia is the only genus of Lecythidaceae with poricidal