Pappus is a modification of:

In monoadelphous condition,stamens have

Flowers are actinomorphic in

When two of the sepals or petals are outer,two are inner,and one is partly outer and partly inner,this condition is known as:

$A$ true gynophore is present in

The arrangement of ovules within the ovary is known as placentation. What does the term placenta refer to? Name and describe various types of placentations in flowers as seen in $T.S.$ or $V.S$.