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Q.
Circinate venation is found in
Chhattisgarh PMTChhattisgarh PMT 2007
Solution:
Circulate vernation is found in both Cycas and fern. In fern like Dryopteris, the young leaves are coiled like a spring from apex downwards. This is a special features of ferns and is known as circinate vernation. In Cycas, the leaves reduced and usually once pinnate circinate.