Stamens_5_anthers_brown_Silphium_perfoliatum_with_Bumble_Bee_Aug_ELM

5 stamens in a Silphium perfoliatum (cup plant) male disk floret.
Tightly packed, they surround a single, non-functioning yellow style.
Photo © Elaine Mills...........(Pollen mites dot bumble bee's thorax.)