Presence of morphologically different types of leaves at different nodes of the same twig or plant is called
Homolephylly or Isophylly : Presence of morphologically identical leaves in the same plant or twig.
Asnisophylly : Presence of morphologically different types of leaves at the same node. Ex: Goldfussia, Selaginella, Salvinia.
Heterophylly : Presence of morphologically different types of leaves at different nodes of the twig. Ex : Limnophila, Ranunculus, Coriander, Bean