Organisms and Populations Question 33

33. Which of the following shows whorled phyllotaxy?

(a) Calotropis

(b) Mustard

(c) China rose

(d) Alstonia

Show Answer

Answer : d

Hints & Solutions

(d) Alstonia shows whorled phyllotaxy. In whorled phyllotaxy, more than two leaves arise at each node and form a whorl or a circle. China rose and mustard shows alternate phyllotaxy in which a single leaf arises at each node in alternate manner. Whereas Calotropis shows opposite type of phyllotaxy in which a pair of leaves arise at each node and lie opposite to each other.