syngenesious
Syngenesious is a botanical term used to describe a specific arrangement of stamens within a flower. It refers to stamens that are united by their filaments to form a tube, while their anthers remain free. This fusion creates a distinct structure where the filaments collectively sheath the pistil, or at least partially surround it. The term originates from the Greek words "syn" meaning "together" and "genes" meaning "born," reflecting the shared origin and fusion of the filaments.
This arrangement is a characteristic feature found in several plant families, most notably the Asteraceae, commonly