How many of the following plants have adhesion and cohesion of stamens respectively? (Pisum sativum, Mustard, China rose, Brinjal, Citrus, Sunflower)
How many plants among China Rose, Ocimum, Sunflower, Mustard, Alstonia, Guava, Calotropis and Nerium (Oleander) have opposite phyllotaxy?