Cycas and ferns resemble in possessing

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(A) Ferns (Pteridophytes) and Cycas (Gymnosperms) both exhibit a characteristic developmental feature known as circinate vernation,where the young lea

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Circinate venation

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(A) Ferns (Pteridophytes) and Cycas (Gymnosperms) both exhibit a characteristic developmental feature known as circinate vernation,where the young leaves are coiled like a watch spring.This feature is a primitive trait shared between certain pteridophytes and cycads.While pollen tubes are found in Cycas,they are absent in most ferns.Ovules and seeds are characteristic of Gymnosperms (Cycas) but are absent in Pteridophytes (ferns).

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