Cladophora and Cactus
Asparagus and Ruscus
Casuarina and Opuntia
Citrus and Acacia
Phylloclade is a modified stem in which branches have unlimited growth. They become green and flat. It is a characteristic morphological feature of Opuntia and Casuarina. Phylloclade with one internode is called cladode. Cladode is a modified stem. In this, branches have limited growth. They become green and flat-like leaf. It is a characteristic morphological feature of Asparagus and Ruscus.Thus, the correct answer is 'Asparagus and Ruscus'.