Roots are absent in
Myriophyllum
Ceratophyllum
Utricularia and Wolffia
All of these
Hesperidium of orange is a modification of
Amentum $(Catkin)$ inflorescence is found
In which, fleshy tap root, hypocotyl does not form root
The arrangement and folding of each lamina without any relationship with other leaves in bud, is called
Tricarpellary axile placentation is characteristic of