A flower is actinomorphic when it is divisible into two
Halves having equal number of sepals and petals
Similar halves by a vertical division in any plane
Similar halves by a vertical division in one plane only
Halves having similar parts by a transverse division
In unilocular ovary with a single ovule, the placentation is
Carpels are fused in . . . ....
Flower of Hibiscus is
Basal placentation is found in