How many plants among China rose, Ocimum, sunflower, mustard,...

Ocimun, guava and Calotropis have opposite phyllotaxy, while china rose, sunflower, grass, mustard shows alternate phyllotaxy and Alstonia, hydrilla, Nerium (Oleander) shows whorled phyllotaxy. Related Theory The three types of phyllotaxy are as follows: l. Alternate type of phyllotaxy: A single leaf arises at each node in an alternate manner. 2. Opposite type of phyllotaxy: A pair of leaves arise at each node and lie opposite to each other. 3. Whorled type of phyllotaxy: More than two leaves arise at a node and form $a$ whorl.