Bindweed (Convolvulus arvensis). 1, stamen; 2, pistil.

Bindweed

Bindweed (Convolvulus arvensis). 1, stamen; 2, pistil.

A Christmas rose (Helleborus niger). 1, stamen; 2, section.

Christmas Rose

A Christmas rose (Helleborus niger). 1, stamen; 2, section.

Compound flower anatomy. 10, stamens.

Stamen

Compound flower anatomy. 10, stamens.