The correct option is D Mustard : whorled phyllotaxy
The pattern of arrangement of leaves on the stem is called phyllotaxy. There are three types of phyllotaxy:
An alternate type of phyllotaxy: When only a single leaf develops at each node alternatively. Example: China rose, sunflower, mustard.
Opposite phyllotaxy: When a pair of leaves develops at each node opposite to each other. Example: Guava plants, Calotropis.
Whorled phyllotaxy: When more than two leaves develop at the nodes to form a whorl of leaves. Examples: Alstonia.