Explanation:
B
Anisophylly (The occurrence of two sizes of leaves). Anisophylly is term commonly referred to explain plant having pairs of leaves with the significant difference in their size between two leaves. Ex. Goldfussia (Strobilanthes anisophyllus), Glomerata etc. Heterophylly is the development of different leaf forms in a single plant depending on the environmental condition. Ex. ficus, Artocarpus
Distichous phyllotaxy, also called two ranke leaf arrangement.