what is thalamus?
what is meant by the bilobed anther?
what is theca?
Thalamus is the receptacle or terminal part of the axis of a flower.
Bilobed anther is a type of anther having two lobes in which total four microsporangia are located at the corners i.e two microsporangia in each lobe.
Theca means a covering or sheath and in case of flowering plants, theca consists of a pair of microsporangia.