Q. The circinate vernation is the characteristic feature of ferns. It refers to
A) Coiling of young leaves
B) Arrangement of leaves on stem
C) Attachment of sori on leaves
D) Heterophily
Explanation
In pteridophytes, the young leaves are coiled or tightly rolled but uncoil like a watch spring as these leaves grow. This condition of leaves is called circinate vernation.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.