Proximal end of the filament of stamen is attached to the

Proximal end of fi lament is basal part of fi lament, which is attached to either thalamus or inner surface of petal or perianth lobes.
(1) Proximal end of filament is not attached to placenta as placenta is a part of ovary.
(3) Distal end of filament is usually attached at the base of anther.
(4) Connective is sterile tissue of anther, which not only joins the two lobes of anther but also the anther to the distal end of filament.